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[7077] always set parent on empty_spaces_before_argument


From: Gavin D. Smith
Subject: [7077] always set parent on empty_spaces_before_argument
Date: Mon, 28 Mar 2016 13:17:39 +0000

Revision: 7077
          http://svn.sv.gnu.org/viewvc/?view=rev&root=texinfo&revision=7077
Author:   gavin
Date:     2016-03-28 13:17:36 +0000 (Mon, 28 Mar 2016)
Log Message:
-----------
always set parent on empty_spaces_before_argument

Modified Paths:
--------------
    trunk/tp/Texinfo/Parser.pm
    trunk/tp/t/results/converters_tests/at_commands_in_raw.pl
    trunk/tp/t/results/converters_tests/at_commands_in_refs.pl
    trunk/tp/t/results/converters_tests/at_commands_in_refs_latin1.pl
    trunk/tp/t/results/converters_tests/at_commands_in_refs_utf8.pl
    trunk/tp/t/results/converters_tests/inline.pl
    trunk/tp/t/results/converters_tests/inline_expand_tex.pl
    trunk/tp/t/results/converters_tests/inlinefmtifelse.pl
    trunk/tp/t/results/converters_tests/inlineifsetifclear.pl
    trunk/tp/t/results/converters_tests/ref_error_formatting.pl
    trunk/tp/t/results/converters_tests/ref_in_sectioning.pl
    trunk/tp/t/results/converters_tests/refs_formatting.pl
    trunk/tp/t/results/converters_tests/things_before_setfilename.pl
    trunk/tp/t/results/converters_tests/things_before_setfilename_no_element.pl
    trunk/tp/t/results/converters_tests/top_in_ref.pl
    trunk/tp/t/results/converters_tests/top_in_ref_keep_top.pl
    trunk/tp/t/results/coverage/block_commands.pl
    trunk/tp/t/results/coverage/commands.pl
    trunk/tp/t/results/coverage/punctuation_in_line_commands.pl
    trunk/tp/t/results/coverage_braces/abbr_acronym.pl
    trunk/tp/t/results/coverage_braces/empty_ref.pl
    trunk/tp/t/results/coverage_braces/empty_second_email_argument.pl
    trunk/tp/t/results/coverage_braces/form_feed_in_brace_commands.pl
    trunk/tp/t/results/coverage_braces/inforef_too_much_args.pl
    trunk/tp/t/results/coverage_braces/nested_args.pl
    trunk/tp/t/results/coverage_braces/nested_in_sc.pl
    trunk/tp/t/results/coverage_braces/recursive_acronym.pl
    trunk/tp/t/results/coverage_braces/ref_empty_node.pl
    trunk/tp/t/results/coverage_braces/space_in_image.pl
    trunk/tp/t/results/coverage_braces/test_image.pl
    trunk/tp/t/results/coverage_braces/too_much_args.pl
    trunk/tp/t/results/coverage_braces/uref_in_ref.pl
    trunk/tp/t/results/coverage_braces/verb_in_xref.pl
    trunk/tp/t/results/float/anchor_in_caption.pl
    trunk/tp/t/results/float/cindex_in_caption.pl
    trunk/tp/t/results/float/comment_space_comand_in_float.pl
    trunk/tp/t/results/float/complex_float.pl
    trunk/tp/t/results/float/empty_listoffloats_with_floats.pl
    trunk/tp/t/results/float/float_copying.pl
    trunk/tp/t/results/float/float_with_at_commands.pl
    trunk/tp/t/results/float/footnote_in_caption.pl
    trunk/tp/t/results/float/footnote_in_caption_and_error.pl
    trunk/tp/t/results/float/numbering_captions_listoffloats.pl
    trunk/tp/t/results/float/ref_to_float.pl
    trunk/tp/t/results/float/simple.pl
    trunk/tp/t/results/html_tests/check_htmlxref.pl
    trunk/tp/t/results/html_tests/commands_in_abbr.pl
    trunk/tp/t/results/info_tests/error_in_footnote.pl
    trunk/tp/t/results/info_tests/float_long_captions.pl
    trunk/tp/t/results/info_tests/invalid_node_name_no_warning.pl
    trunk/tp/t/results/info_tests/invalid_node_name_warning.pl
    trunk/tp/t/results/info_tests/multiline_image_and_align.pl
    trunk/tp/t/results/info_tests/pxref_test.pl
    trunk/tp/t/results/info_tests/ref_tests.pl
    trunk/tp/t/results/info_tests/xref_test.pl
    trunk/tp/t/results/invalid_nestings/float_in_style_command.pl
    trunk/tp/t/results/invalid_nestings/footnote_in_ref.pl
    trunk/tp/t/results/invalid_nestings/ignore_in_xref.pl
    trunk/tp/t/results/invalid_nestings/in_table.pl
    trunk/tp/t/results/invalid_nestings/item_in_ref.pl
    trunk/tp/t/results/invalid_nestings/node_on_index_entry_line.pl
    trunk/tp/t/results/invalid_nestings/on_node_line.pl
    trunk/tp/t/results/invalid_nestings/quotation_in_ref.pl
    trunk/tp/t/results/invalid_nestings/verbatim_in_ref.pl
    trunk/tp/t/results/macro/ignored_macro_definition.pl
    trunk/tp/t/results/menu/inlineraw_in_menu_description.pl
    trunk/tp/t/results/misc_commands/comment_space_command_on_line.pl
    trunk/tp/t/results/misc_commands/ref_in_center.pl
    trunk/tp/t/results/paragraph/commands_in_flushright.pl
    trunk/tp/t/results/plaintext_tests/at_commands_glued_in_example.pl
    trunk/tp/t/results/plaintext_tests/at_commands_glued_in_paragraph.pl
    trunk/tp/t/results/plaintext_tests/lone_braces_in_inlineraw.pl
    trunk/tp/t/results/plaintext_tests/punctuation_abbr_acronym.pl
    trunk/tp/t/results/plaintext_tests/quote_node_names.pl
    trunk/tp/t/results/raw/inline_in_example.pl
    trunk/tp/t/results/raw/inline_missing_first_arg.pl
    trunk/tp/t/results/raw/inlinefmt.pl
    trunk/tp/t/results/raw/inlinefmt_with_empty_line.pl
    trunk/tp/t/results/raw/inlineraw.pl
    trunk/tp/t/results/raw/inlineraw_with_empty_line.pl
    trunk/tp/t/results/sectioning/a_comma_after_node.pl
    trunk/tp/t/results/sectioning/character_and_spaces_in_node.pl
    trunk/tp/t/results/sectioning/character_and_spaces_in_refs.pl
    trunk/tp/t/results/sectioning/character_and_spaces_in_refs_out.pl
    trunk/tp/t/results/sectioning/complex.pl
    trunk/tp/t/results/sectioning/complex_split_at_node.pl
    trunk/tp/t/results/sectioning/double_node_anchor_float.pl
    trunk/tp/t/results/sectioning/double_top.pl
    trunk/tp/t/results/sectioning/double_top_in_menu.pl
    trunk/tp/t/results/sectioning/email_in_node.pl
    trunk/tp/t/results/sectioning/empty_node.pl
    trunk/tp/t/results/sectioning/empty_ref_arg.pl
    trunk/tp/t/results/sectioning/equivalent_labels.pl
    trunk/tp/t/results/sectioning/equivalent_nodes.pl
    trunk/tp/t/results/sectioning/explicit_node_directions.pl
    trunk/tp/t/results/sectioning/more_sections_than_nodes.pl
    trunk/tp/t/results/sectioning/next_no_prev_to_node.pl
    trunk/tp/t/results/sectioning/no_element.pl
    trunk/tp/t/results/sectioning/node.pl
    trunk/tp/t/results/sectioning/node_empty_direction.pl
    trunk/tp/t/results/sectioning/node_too_much_args.pl
    trunk/tp/t/results/sectioning/node_up_external_node.pl
    trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_nodes.pl
    trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_sections.pl
    trunk/tp/t/results/sectioning/nodes_after_top_before_section_nodes.pl
    trunk/tp/t/results/sectioning/nodes_after_top_before_section_sections.pl
    trunk/tp/t/results/sectioning/nodes_before_top.pl
    trunk/tp/t/results/sectioning/non_automatic_internal_top_node_up.pl
    trunk/tp/t/results/sectioning/non_automatic_top_node_up_and_url.pl
    trunk/tp/t/results/sectioning/non_automatic_top_node_up_url.pl
    trunk/tp/t/results/sectioning/novalidate.pl
    trunk/tp/t/results/sectioning/part_node_before_top.pl
    trunk/tp/t/results/sectioning/part_node_chapter_after_top.pl
    trunk/tp/t/results/sectioning/placed_things_before_element.pl
    trunk/tp/t/results/sectioning/placed_things_before_node.pl
    trunk/tp/t/results/sectioning/semi_auto.pl
    trunk/tp/t/results/sectioning/two_nodes_at_the_end.pl
    trunk/tp/t/results/sectioning/two_nodes_between_chapters.pl
    trunk/tp/t/results/value/ignored_value_definition.pl
    trunk/tp/t/results/value/value_in_node.pl
    trunk/tp/t/results/value/value_node_directions.pl
    trunk/tp/t/results/xml_tests/brace_commands_spaces_end_of_lines.pl
    trunk/tp/t/results/xml_tests/commands_and_spaces.pl

Modified: trunk/tp/Texinfo/Parser.pm
===================================================================
--- trunk/tp/Texinfo/Parser.pm  2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/Texinfo/Parser.pm  2016-03-28 13:17:36 UTC (rev 7077)
@@ -5543,7 +5543,8 @@
           $current = $current->{'args'}->[-1];
           push @{$current->{'contents'}}, 
                  {'type' => 'empty_spaces_before_argument',
-                  'text' => '' };                          
+                  'text' => '',
+                  'parent' => $current };
         } elsif ($separator eq ',' and $current->{'type'}
             and $current->{'type'} eq 'misc_line_arg'
             and $current->{'parent'}->{'cmdname'} 

Modified: trunk/tp/t/results/converters_tests/at_commands_in_raw.pl
===================================================================
--- trunk/tp/t/results/converters_tests/at_commands_in_raw.pl   2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/converters_tests/at_commands_in_raw.pl   2016-03-28 
13:17:36 UTC (rev 7077)
@@ -607,6 +607,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -914,6 +915,7 @@
                     {
                       'contents' => [
                         {
+                          'parent' => {},
                           'text' => ' ',
                           'type' => 'empty_spaces_before_argument'
                         },
@@ -2169,6 +2171,7 @@
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[2];
+$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[2]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[2];
@@ -2226,6 +2229,7 @@
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1];
+$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/at_commands_in_refs.pl
===================================================================
--- trunk/tp/t/results/converters_tests/at_commands_in_refs.pl  2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/converters_tests/at_commands_in_refs.pl  2016-03-28 
13:17:36 UTC (rev 7077)
@@ -2610,6 +2610,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -2786,6 +2787,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -2970,6 +2972,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -4301,6 +4304,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -9277,6 +9281,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -9445,6 +9450,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -9615,6 +9621,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -9783,6 +9790,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -9961,6 +9969,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -10109,6 +10118,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -12473,6 +12483,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -12656,6 +12667,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -15286,6 +15298,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -15455,6 +15468,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -15632,6 +15646,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -16904,6 +16919,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -17745,6 +17761,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -17782,6 +17799,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -17821,6 +17839,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -18119,6 +18138,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -19443,6 +19463,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -19479,6 +19500,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -19515,6 +19537,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -19551,6 +19574,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -19589,6 +19613,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -19623,6 +19648,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -20163,6 +20189,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3];
+$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
@@ -20202,6 +20229,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
@@ -21009,6 +21037,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[17]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -21048,6 +21077,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[19]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -21089,6 +21119,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -21406,6 +21437,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/at_commands_in_refs_latin1.pl
===================================================================
--- trunk/tp/t/results/converters_tests/at_commands_in_refs_latin1.pl   
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/converters_tests/at_commands_in_refs_latin1.pl   
2016-03-28 13:17:36 UTC (rev 7077)
@@ -2697,6 +2697,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -2873,6 +2874,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -3057,6 +3059,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -4388,6 +4391,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -9364,6 +9368,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -9532,6 +9537,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -9702,6 +9708,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -9870,6 +9877,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -10048,6 +10056,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -10196,6 +10205,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -12560,6 +12570,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -12743,6 +12754,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -15373,6 +15385,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -15542,6 +15555,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -15719,6 +15733,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -16991,6 +17006,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -17847,6 +17863,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -17884,6 +17901,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -17923,6 +17941,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -18221,6 +18240,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -19545,6 +19565,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -19581,6 +19602,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -19617,6 +19639,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -19653,6 +19676,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -19691,6 +19715,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -19725,6 +19750,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -20265,6 +20291,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
@@ -20304,6 +20331,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
@@ -21111,6 +21139,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[17]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -21150,6 +21179,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[19]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -21191,6 +21221,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -21508,6 +21539,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/at_commands_in_refs_utf8.pl
===================================================================
--- trunk/tp/t/results/converters_tests/at_commands_in_refs_utf8.pl     
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/converters_tests/at_commands_in_refs_utf8.pl     
2016-03-28 13:17:36 UTC (rev 7077)
@@ -2697,6 +2697,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -2873,6 +2874,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -3057,6 +3059,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -4388,6 +4391,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -9364,6 +9368,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -9532,6 +9537,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -9702,6 +9708,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -9870,6 +9877,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -10048,6 +10056,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -10196,6 +10205,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -12560,6 +12570,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -12743,6 +12754,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -15373,6 +15385,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -15542,6 +15555,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -15719,6 +15733,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -16991,6 +17006,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -17847,6 +17863,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -17884,6 +17901,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -17923,6 +17941,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -18221,6 +18240,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -19545,6 +19565,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -19581,6 +19602,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -19617,6 +19639,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -19653,6 +19676,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -19691,6 +19715,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -19725,6 +19750,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -20265,6 +20291,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
@@ -20304,6 +20331,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
@@ -21111,6 +21139,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[17]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -21150,6 +21179,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[19]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -21191,6 +21221,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -21508,6 +21539,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/inline.pl
===================================================================
--- trunk/tp/t/results/converters_tests/inline.pl       2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/converters_tests/inline.pl       2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -30,6 +30,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -87,6 +88,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -144,6 +146,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -201,6 +204,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -258,6 +262,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -379,6 +384,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -436,6 +442,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -493,6 +500,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -550,6 +558,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -607,6 +616,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -705,6 +715,7 @@
 $result_trees{'inline'}{'contents'}[0]{'parent'} = $result_trees{'inline'};
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[0];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0];
+$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -714,6 +725,7 @@
 $result_trees{'inline'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[0];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2];
+$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -723,6 +735,7 @@
 $result_trees{'inline'}{'contents'}[1]{'contents'}[3]{'parent'} = 
$result_trees{'inline'}{'contents'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[0];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4];
+$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
@@ -732,6 +745,7 @@
 $result_trees{'inline'}{'contents'}[1]{'contents'}[5]{'parent'} = 
$result_trees{'inline'}{'contents'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[0];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6];
+$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
@@ -741,6 +755,7 @@
 $result_trees{'inline'}{'contents'}[1]{'contents'}[7]{'parent'} = 
$result_trees{'inline'}{'contents'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[0];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[8];
+$result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2]{'contents'}[1]{'args'}[0];
@@ -766,6 +781,7 @@
 $result_trees{'inline'}{'contents'}[3]{'parent'} = $result_trees{'inline'};
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[0];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0];
+$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -775,6 +791,7 @@
 $result_trees{'inline'}{'contents'}[4]{'contents'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[0];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2];
+$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -784,6 +801,7 @@
 $result_trees{'inline'}{'contents'}[4]{'contents'}[3]{'parent'} = 
$result_trees{'inline'}{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[0];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4];
+$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0];
@@ -793,6 +811,7 @@
 $result_trees{'inline'}{'contents'}[4]{'contents'}[5]{'parent'} = 
$result_trees{'inline'}{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[0];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6];
+$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[0]{'contents'}[0];
@@ -802,6 +821,7 @@
 $result_trees{'inline'}{'contents'}[4]{'contents'}[7]{'parent'} = 
$result_trees{'inline'}{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[0];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[8];
+$result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[2];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[2]{'contents'}[1]{'args'}[0];

Modified: trunk/tp/t/results/converters_tests/inline_expand_tex.pl
===================================================================
--- trunk/tp/t/results/converters_tests/inline_expand_tex.pl    2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/converters_tests/inline_expand_tex.pl    2016-03-28 
13:17:36 UTC (rev 7077)
@@ -30,6 +30,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -87,6 +88,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -144,6 +146,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -201,6 +204,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -258,6 +262,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -353,6 +358,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -410,6 +416,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -467,6 +474,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -524,6 +532,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -581,6 +590,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -680,6 +690,7 @@
 $result_trees{'inline_expand_tex'}{'contents'}[0]{'parent'} = 
$result_trees{'inline_expand_tex'};
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0];
+$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -689,6 +700,7 @@
 $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2];
+$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -698,6 +710,7 @@
 $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[3]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4];
+$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
@@ -707,6 +720,7 @@
 $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[5]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6];
+$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
@@ -716,6 +730,7 @@
 $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[7]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8];
+$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2];
@@ -733,6 +748,7 @@
 $result_trees{'inline_expand_tex'}{'contents'}[3]{'parent'} = 
$result_trees{'inline_expand_tex'};
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'args'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0];
+$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -742,6 +758,7 @@
 $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[1]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[4];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'args'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2];
+$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -751,6 +768,7 @@
 $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[3]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[4];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'args'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4];
+$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0];
@@ -760,6 +778,7 @@
 $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[5]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[4];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'args'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6];
+$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'args'}[0]{'contents'}[0];
@@ -769,6 +788,7 @@
 $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[7]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[4];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8];
+$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[2];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[2]{'contents'}[1]{'args'}[0];

Modified: trunk/tp/t/results/converters_tests/inlinefmtifelse.pl
===================================================================
--- trunk/tp/t/results/converters_tests/inlinefmtifelse.pl      2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/converters_tests/inlinefmtifelse.pl      2016-03-28 
13:17:36 UTC (rev 7077)
@@ -377,6 +377,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -396,6 +397,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -475,6 +477,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -494,6 +497,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -764,9 +768,11 @@
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0];
+$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0];
+$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[1];
@@ -781,9 +787,11 @@
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0];
+$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0];
+$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/converters_tests/inlineifsetifclear.pl
===================================================================
--- trunk/tp/t/results/converters_tests/inlineifsetifclear.pl   2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/converters_tests/inlineifsetifclear.pl   2016-03-28 
13:17:36 UTC (rev 7077)
@@ -24,6 +24,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -94,6 +95,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -193,6 +195,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -262,6 +265,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -314,6 +318,7 @@
 };
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0];
+$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -325,6 +330,7 @@
 $result_trees{'inlineifsetifclear'}{'contents'}[1]{'parent'} = 
$result_trees{'inlineifsetifclear'};
 
$result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0];
+$result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -340,6 +346,7 @@
 $result_trees{'inlineifsetifclear'}{'contents'}[5]{'parent'} = 
$result_trees{'inlineifsetifclear'};
 
$result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0];
+$result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -351,6 +358,7 @@
 $result_trees{'inlineifsetifclear'}{'contents'}[7]{'parent'} = 
$result_trees{'inlineifsetifclear'};
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0];
+$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/ref_error_formatting.pl
===================================================================
--- trunk/tp/t/results/converters_tests/ref_error_formatting.pl 2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/converters_tests/ref_error_formatting.pl 2016-03-28 
13:17:36 UTC (rev 7077)
@@ -1576,6 +1576,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -1590,6 +1591,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -1950,6 +1952,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -1964,6 +1967,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -2743,6 +2747,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -2757,6 +2762,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -3078,6 +3084,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -3092,6 +3099,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -3493,6 +3501,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -3666,6 +3675,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -3680,6 +3690,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -3866,6 +3877,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -4324,8 +4336,10 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[1]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[0]{'contents'}[0];
@@ -4398,8 +4412,10 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[1]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[0]{'contents'}[0];
@@ -4554,8 +4570,10 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[1]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[1]{'contents'}[0];
@@ -4619,8 +4637,10 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[1]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[2]{'contents'}[0];
@@ -4698,6 +4718,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[0]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[1]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10];
+$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0];
@@ -4730,8 +4751,10 @@
 $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[1]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[7];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2];
+$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2];
+$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -4768,6 +4791,7 @@
 $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[9]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[7];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[0]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10];
+$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/ref_in_sectioning.pl
===================================================================
--- trunk/tp/t/results/converters_tests/ref_in_sectioning.pl    2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/converters_tests/ref_in_sectioning.pl    2016-03-28 
13:17:36 UTC (rev 7077)
@@ -260,6 +260,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -274,6 +275,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -585,6 +587,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -599,6 +602,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -849,6 +853,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -978,6 +983,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1123,6 +1129,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1241,6 +1248,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1369,6 +1377,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1492,6 +1501,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1602,6 +1612,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1701,6 +1712,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1715,6 +1727,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1847,6 +1860,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1965,6 +1979,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -2304,8 +2319,10 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6];
+$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6];
+$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];
@@ -2371,8 +2388,10 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -2422,6 +2441,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -2446,6 +2466,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'line_nr'};
@@ -2475,6 +2496,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -2499,6 +2521,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[2]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1];
@@ -2523,6 +2546,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[2]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1];
@@ -2546,6 +2570,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[2]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1];
@@ -2566,6 +2591,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1];
@@ -2584,8 +2610,10 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -2612,6 +2640,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2];
+$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2];
@@ -2636,6 +2665,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2];
+$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2];

Modified: trunk/tp/t/results/converters_tests/refs_formatting.pl
===================================================================
--- trunk/tp/t/results/converters_tests/refs_formatting.pl      2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/converters_tests/refs_formatting.pl      2016-03-28 
13:17:36 UTC (rev 7077)
@@ -1199,6 +1199,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1213,6 +1214,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1573,6 +1575,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1587,6 +1590,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -2949,6 +2953,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -2963,6 +2968,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -3350,6 +3356,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -3364,6 +3371,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -3622,6 +3630,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -3636,6 +3645,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -3822,6 +3832,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -4226,8 +4237,10 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[2]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[0]{'contents'}[0];
@@ -4300,8 +4313,10 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[2]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[0]{'contents'}[0];
@@ -4565,8 +4580,10 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[2]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[0]{'contents'}[0];
@@ -4642,8 +4659,10 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[2]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[0]{'contents'}[0];
@@ -4693,8 +4712,10 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -4731,6 +4752,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[9]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/things_before_setfilename.pl
===================================================================
--- trunk/tp/t/results/converters_tests/things_before_setfilename.pl    
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/converters_tests/things_before_setfilename.pl    
2016-03-28 13:17:36 UTC (rev 7077)
@@ -387,6 +387,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -577,6 +578,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1383,6 +1385,7 @@
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10];
+$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10];
@@ -1417,6 +1420,7 @@
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14];
+$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14];

Modified: 
trunk/tp/t/results/converters_tests/things_before_setfilename_no_element.pl
===================================================================
--- trunk/tp/t/results/converters_tests/things_before_setfilename_no_element.pl 
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/converters_tests/things_before_setfilename_no_element.pl 
2016-03-28 13:17:36 UTC (rev 7077)
@@ -385,6 +385,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -575,6 +576,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -1278,6 +1280,7 @@
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10];
+$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10];
@@ -1312,6 +1315,7 @@
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14];
+$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14];

Modified: trunk/tp/t/results/converters_tests/top_in_ref.pl
===================================================================
--- trunk/tp/t/results/converters_tests/top_in_ref.pl   2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/converters_tests/top_in_ref.pl   2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -1150,6 +1150,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1164,6 +1165,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1524,6 +1526,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1538,6 +1541,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -2900,6 +2904,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -2914,6 +2919,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -3301,6 +3307,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -3315,6 +3322,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -3573,6 +3581,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -3587,6 +3596,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -3773,6 +3783,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -4173,8 +4184,10 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[1]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[0]{'contents'}[0];
@@ -4247,8 +4260,10 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[1]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[0]{'contents'}[0];
@@ -4512,8 +4527,10 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[1]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[0]{'contents'}[0];
@@ -4589,8 +4606,10 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[1]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[0]{'contents'}[0];
@@ -4640,8 +4659,10 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -4678,6 +4699,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[9]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/top_in_ref_keep_top.pl
===================================================================
--- trunk/tp/t/results/converters_tests/top_in_ref_keep_top.pl  2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/converters_tests/top_in_ref_keep_top.pl  2016-03-28 
13:17:36 UTC (rev 7077)
@@ -1150,6 +1150,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1164,6 +1165,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1524,6 +1526,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1538,6 +1541,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -2900,6 +2904,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -2914,6 +2919,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -3301,6 +3307,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -3315,6 +3322,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -3573,6 +3581,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -3587,6 +3596,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -3773,6 +3783,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -4173,8 +4184,10 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[2]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[0]{'contents'}[0];
@@ -4247,8 +4260,10 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[0]{'contents'}[0];
@@ -4512,8 +4527,10 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[2]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[0]{'contents'}[0];
@@ -4589,8 +4606,10 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[0]{'contents'}[0];
@@ -4640,8 +4659,10 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -4678,6 +4699,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[9]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/coverage/block_commands.pl
===================================================================
--- trunk/tp/t/results/coverage/block_commands.pl       2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/coverage/block_commands.pl       2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -222,6 +222,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -440,6 +441,7 @@
 
$result_trees{'block_commands'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'block_commands'}{'contents'}[5]{'args'}[0];
 
$result_trees{'block_commands'}{'contents'}[5]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'block_commands'}{'contents'}[5]{'args'}[0];
 $result_trees{'block_commands'}{'contents'}[5]{'args'}[0]{'parent'} = 
$result_trees{'block_commands'}{'contents'}[5];
+$result_trees{'block_commands'}{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'block_commands'}{'contents'}[5]{'args'}[1];
 
$result_trees{'block_commands'}{'contents'}[5]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'block_commands'}{'contents'}[5]{'args'}[1];
 
$result_trees{'block_commands'}{'contents'}[5]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'block_commands'}{'contents'}[5]{'args'}[1];
 $result_trees{'block_commands'}{'contents'}[5]{'args'}[1]{'parent'} = 
$result_trees{'block_commands'}{'contents'}[5];

Modified: trunk/tp/t/results/coverage/commands.pl
===================================================================
--- trunk/tp/t/results/coverage/commands.pl     2016-03-28 12:52:50 UTC (rev 
7076)
+++ trunk/tp/t/results/coverage/commands.pl     2016-03-28 13:17:36 UTC (rev 
7077)
@@ -214,6 +214,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -495,6 +496,7 @@
 $result_trees{'commands'}{'contents'}[0]{'contents'}[15]{'parent'} = 
$result_trees{'commands'}{'contents'}[0];
 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[0];
 $result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'parent'} 
= $result_trees{'commands'}{'contents'}[0]{'contents'}[16];
+$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1];
 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1];
 $result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'parent'} 
= $result_trees{'commands'}{'contents'}[0]{'contents'}[16];
 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/coverage/punctuation_in_line_commands.pl
===================================================================
--- trunk/tp/t/results/coverage/punctuation_in_line_commands.pl 2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/coverage/punctuation_in_line_commands.pl 2016-03-28 
13:17:36 UTC (rev 7077)
@@ -421,6 +421,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -596,6 +597,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -1166,6 +1168,7 @@
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[0];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[0];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5];
+$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5];
@@ -1200,6 +1203,7 @@
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[0];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[0];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7];
+$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7];

Modified: trunk/tp/t/results/coverage_braces/abbr_acronym.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/abbr_acronym.pl  2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/coverage_braces/abbr_acronym.pl  2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -242,6 +242,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -473,6 +474,7 @@
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6];
+$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[1];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0]{'line_nr'};

Modified: trunk/tp/t/results/coverage_braces/empty_ref.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/empty_ref.pl     2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/coverage_braces/empty_ref.pl     2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -142,6 +142,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -207,6 +208,7 @@
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[6]{'parent'} = 
$result_trees{'empty_ref'}{'contents'}[1];
 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[0];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[0]{'parent'} 
= $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7];
+$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1];
 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1]{'parent'} 
= $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7];
 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/empty_second_email_argument.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/empty_second_email_argument.pl   
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/coverage_braces/empty_second_email_argument.pl   
2016-03-28 13:17:36 UTC (rev 7077)
@@ -37,6 +37,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -77,6 +78,7 @@
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0];
+$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2];

Modified: trunk/tp/t/results/coverage_braces/form_feed_in_brace_commands.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/form_feed_in_brace_commands.pl   
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/coverage_braces/form_feed_in_brace_commands.pl   
2016-03-28 13:17:36 UTC (rev 7077)
@@ -108,6 +108,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => '  ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -263,6 +264,7 @@
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1];
+$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/inforef_too_much_args.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/inforef_too_much_args.pl 2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/coverage_braces/inforef_too_much_args.pl 2016-03-28 
13:17:36 UTC (rev 7077)
@@ -64,6 +64,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -78,6 +79,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -165,8 +167,10 @@
 $result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'inforef_too_much_args'}{'contents'}[1];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
+$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
+$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/nested_args.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/nested_args.pl   2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/coverage_braces/nested_args.pl   2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -50,6 +50,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -82,6 +83,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -117,6 +119,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' 
 ',
                   'type' => 'empty_spaces_before_argument'
@@ -204,12 +207,14 @@
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0];
+$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'line_nr'};
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0];
+$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'args'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2];
@@ -217,6 +222,7 @@
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[3]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0];
+$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3];

Modified: trunk/tp/t/results/coverage_braces/nested_in_sc.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/nested_in_sc.pl  2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/coverage_braces/nested_in_sc.pl  2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -160,6 +160,7 @@
                             {
                               'contents' => [
                                 {
+                                  'parent' => {},
                                   'text' => ' ',
                                   'type' => 'empty_spaces_before_argument'
                                 },
@@ -283,6 +284,7 @@
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[10]{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[0];
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[0]{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11];
+$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1];
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1];
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1]{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11];
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/recursive_acronym.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/recursive_acronym.pl     2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/coverage_braces/recursive_acronym.pl     2016-03-28 
13:17:36 UTC (rev 7077)
@@ -24,6 +24,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -107,6 +108,7 @@
 };
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0];
+$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/ref_empty_node.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/ref_empty_node.pl        2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/coverage_braces/ref_empty_node.pl        2016-03-28 
13:17:36 UTC (rev 7077)
@@ -91,6 +91,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -101,6 +102,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -201,6 +203,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -215,6 +218,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -229,6 +233,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -243,6 +248,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -307,7 +313,9 @@
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2];
+$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[3];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2];
+$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4]{'contents'}[1];
@@ -326,12 +334,16 @@
 $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[5]{'parent'} = 
$result_trees{'ref_empty_node'}{'contents'}[1];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6];
+$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6];
+$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6];
+$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6];
+$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/space_in_image.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/space_in_image.pl        2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/coverage_braces/space_in_image.pl        2016-03-28 
13:17:36 UTC (rev 7077)
@@ -42,6 +42,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -172,6 +173,7 @@
 $result_trees{'space_in_image'}{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'space_in_image'}{'contents'}[0];
 
$result_trees{'space_in_image'}{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[1];
 $result_trees{'space_in_image'}{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'space_in_image'}{'contents'}[0];
+$result_trees{'space_in_image'}{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[2];
 
$result_trees{'space_in_image'}{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[2];
 $result_trees{'space_in_image'}{'contents'}[0]{'args'}[2]{'parent'} = 
$result_trees{'space_in_image'}{'contents'}[0];
 
$result_trees{'space_in_image'}{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[3];

Modified: trunk/tp/t/results/coverage_braces/test_image.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/test_image.pl    2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/coverage_braces/test_image.pl    2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -415,6 +415,7 @@
                     {
                       'contents' => [
                         {
+                          'parent' => {},
                           'text' => ' ',
                           'type' => 'empty_spaces_before_argument'
                         },
@@ -429,6 +430,7 @@
                     {
                       'contents' => [
                         {
+                          'parent' => {},
                           'text' => ' ',
                           'type' => 'empty_spaces_before_argument'
                         },
@@ -1094,6 +1096,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1108,6 +1111,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1724,6 +1728,7 @@
                     {
                       'contents' => [
                         {
+                          'parent' => {},
                           'text' => ' ',
                           'type' => 'empty_spaces_before_argument'
                         },
@@ -1738,6 +1743,7 @@
                     {
                       'contents' => [
                         {
+                          'parent' => {},
                           'text' => ' ',
                           'type' => 'empty_spaces_before_argument'
                         },
@@ -2069,6 +2075,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -2407,6 +2414,7 @@
                     {
                       'contents' => [
                         {
+                          'parent' => {},
                           'text' => ' ',
                           'type' => 'empty_spaces_before_argument'
                         },
@@ -2421,6 +2429,7 @@
                     {
                       'contents' => [
                         {
+                          'parent' => {},
                           'text' => ' ',
                           'type' => 'empty_spaces_before_argument'
                         },
@@ -2998,6 +3007,7 @@
                             {
                               'contents' => [
                                 {
+                                  'parent' => {},
                                   'text' => ' ',
                                   'type' => 'empty_spaces_before_argument'
                                 },
@@ -3012,6 +3022,7 @@
                             {
                               'contents' => [
                                 {
+                                  'parent' => {},
                                   'text' => ' ',
                                   'type' => 'empty_spaces_before_argument'
                                 },
@@ -3532,8 +3543,10 @@
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1];
+$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1];
+$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -3707,8 +3720,10 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -3871,8 +3886,10 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -3965,6 +3982,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[0]{'parent'} 
= $result_trees{'test_image'}{'contents'}[1]{'contents'}[12];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1]{'parent'} 
= $result_trees{'test_image'}{'contents'}[1]{'contents'}[12];
@@ -4046,8 +4064,10 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -4203,8 +4223,10 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/too_much_args.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/too_much_args.pl 2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/coverage_braces/too_much_args.pl 2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -24,6 +24,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -70,6 +71,7 @@
 };
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0];
+$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/uref_in_ref.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/uref_in_ref.pl   2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/coverage_braces/uref_in_ref.pl   2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -24,6 +24,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -85,6 +86,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -142,6 +144,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -199,6 +202,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -316,6 +320,7 @@
 };
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0];
+$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2];
@@ -326,6 +331,7 @@
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0];
+$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'args'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2];
@@ -337,6 +343,7 @@
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'line_nr'};
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0];
+$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[2]{'args'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[2];
@@ -348,6 +355,7 @@
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'line_nr'};
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0];
+$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[2]{'args'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[2];

Modified: trunk/tp/t/results/coverage_braces/verb_in_xref.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/verb_in_xref.pl  2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/coverage_braces/verb_in_xref.pl  2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -64,6 +64,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -186,6 +187,7 @@
 $result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'verb_in_xref'}{'contents'}[1];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
+$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0];

Modified: trunk/tp/t/results/float/anchor_in_caption.pl
===================================================================
--- trunk/tp/t/results/float/anchor_in_caption.pl       2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/float/anchor_in_caption.pl       2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -120,6 +120,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -343,6 +344,7 @@
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3];
+$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3];

Modified: trunk/tp/t/results/float/cindex_in_caption.pl
===================================================================
--- trunk/tp/t/results/float/cindex_in_caption.pl       2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/float/cindex_in_caption.pl       2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -120,6 +120,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -418,6 +419,7 @@
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3];
+$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3];

Modified: trunk/tp/t/results/float/comment_space_comand_in_float.pl
===================================================================
--- trunk/tp/t/results/float/comment_space_comand_in_float.pl   2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/float/comment_space_comand_in_float.pl   2016-03-28 
13:17:36 UTC (rev 7077)
@@ -74,6 +74,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -300,6 +301,7 @@
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1];
+$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[3];

Modified: trunk/tp/t/results/float/complex_float.pl
===================================================================
--- trunk/tp/t/results/float/complex_float.pl   2016-03-28 12:52:50 UTC (rev 
7076)
+++ trunk/tp/t/results/float/complex_float.pl   2016-03-28 13:17:36 UTC (rev 
7077)
@@ -319,6 +319,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -2868,6 +2869,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -4369,6 +4371,7 @@
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7];
+$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7];
@@ -4874,6 +4877,7 @@
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1];
+$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1];

Modified: trunk/tp/t/results/float/empty_listoffloats_with_floats.pl
===================================================================
--- trunk/tp/t/results/float/empty_listoffloats_with_floats.pl  2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/float/empty_listoffloats_with_floats.pl  2016-03-28 
13:17:36 UTC (rev 7077)
@@ -32,6 +32,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -155,6 +156,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -554,6 +556,7 @@
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[0];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1];
+$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1];
@@ -576,6 +579,7 @@
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[0];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3];
+$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3];

Modified: trunk/tp/t/results/float/float_copying.pl
===================================================================
--- trunk/tp/t/results/float/float_copying.pl   2016-03-28 12:52:50 UTC (rev 
7076)
+++ trunk/tp/t/results/float/float_copying.pl   2016-03-28 13:17:36 UTC (rev 
7077)
@@ -50,6 +50,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1229,6 +1230,7 @@
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2];
+$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2];

Modified: trunk/tp/t/results/float/float_with_at_commands.pl
===================================================================
--- trunk/tp/t/results/float/float_with_at_commands.pl  2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/float/float_with_at_commands.pl  2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -55,6 +55,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -440,6 +441,7 @@
 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[0];
 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[0];
 $result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'float_with_at_commands'}{'contents'}[0];
+$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1];
 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1];
 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'contents'}[2];

Modified: trunk/tp/t/results/float/footnote_in_caption.pl
===================================================================
--- trunk/tp/t/results/float/footnote_in_caption.pl     2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/float/footnote_in_caption.pl     2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -120,6 +120,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -340,6 +341,7 @@
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3];
+$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3];

Modified: trunk/tp/t/results/float/footnote_in_caption_and_error.pl
===================================================================
--- trunk/tp/t/results/float/footnote_in_caption_and_error.pl   2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/float/footnote_in_caption_and_error.pl   2016-03-28 
13:17:36 UTC (rev 7077)
@@ -120,6 +120,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -346,6 +347,7 @@
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3];
+$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3];

Modified: trunk/tp/t/results/float/numbering_captions_listoffloats.pl
===================================================================
--- trunk/tp/t/results/float/numbering_captions_listoffloats.pl 2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/float/numbering_captions_listoffloats.pl 2016-03-28 
13:17:36 UTC (rev 7077)
@@ -119,6 +119,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -1379,6 +1380,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -2057,6 +2059,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -2238,6 +2241,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -2462,6 +2466,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -2945,6 +2950,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -3396,6 +3402,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -3763,6 +3770,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -4295,6 +4303,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -4733,6 +4742,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -5050,6 +5060,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -5576,6 +5587,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -6056,6 +6068,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -6070,6 +6083,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -6153,6 +6167,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -6167,6 +6182,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -6181,6 +6197,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -6266,6 +6283,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -6280,6 +6298,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -6299,6 +6318,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -6615,6 +6635,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1];
@@ -6859,6 +6880,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17];
@@ -6984,6 +7006,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1];
@@ -7019,6 +7042,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3];
@@ -7064,6 +7088,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[0]{'contents'}[5]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5];
@@ -7167,6 +7192,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9];
@@ -7252,6 +7278,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1];
@@ -7321,6 +7348,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2];
@@ -7422,6 +7450,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2];
@@ -7505,6 +7534,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2];
@@ -7565,6 +7595,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1];
@@ -7665,6 +7696,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1];
@@ -7753,8 +7785,10 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -7770,10 +7804,13 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -7789,11 +7826,14 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/float/ref_to_float.pl
===================================================================
--- trunk/tp/t/results/float/ref_to_float.pl    2016-03-28 12:52:50 UTC (rev 
7076)
+++ trunk/tp/t/results/float/ref_to_float.pl    2016-03-28 13:17:36 UTC (rev 
7077)
@@ -30,6 +30,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -158,6 +159,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -379,6 +381,7 @@
 
$result_trees{'ref_to_float'}{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_to_float'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[0];
 $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[0];
+$result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1];
 
$result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1];
 
$result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1];
 $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[0];
@@ -403,6 +406,7 @@
 
$result_trees{'ref_to_float'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'ref_to_float'}{'contents'}[2];
 
$result_trees{'ref_to_float'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[2]{'args'}[0];
 $result_trees{'ref_to_float'}{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[2];
+$result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1];
 
$result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1];
 
$result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1];
 $result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[2];

Modified: trunk/tp/t/results/float/simple.pl
===================================================================
--- trunk/tp/t/results/float/simple.pl  2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/float/simple.pl  2016-03-28 13:17:36 UTC (rev 7077)
@@ -30,6 +30,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -182,6 +183,7 @@
 $result_trees{'simple'}{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'simple'}{'contents'}[0]{'args'}[0];
 $result_trees{'simple'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'simple'}{'contents'}[0]{'args'}[0];
 $result_trees{'simple'}{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'simple'}{'contents'}[0];
+$result_trees{'simple'}{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'simple'}{'contents'}[0]{'args'}[1];
 $result_trees{'simple'}{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'simple'}{'contents'}[0]{'args'}[1];
 $result_trees{'simple'}{'contents'}[0]{'args'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'simple'}{'contents'}[0]{'args'}[1];
 $result_trees{'simple'}{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'simple'}{'contents'}[0];

Modified: trunk/tp/t/results/html_tests/check_htmlxref.pl
===================================================================
--- trunk/tp/t/results/html_tests/check_htmlxref.pl     2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/html_tests/check_htmlxref.pl     2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -42,6 +42,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -56,6 +57,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -70,6 +72,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -185,6 +188,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -199,6 +203,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -213,6 +218,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -281,6 +287,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -295,6 +302,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -309,6 +317,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -597,6 +606,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -654,10 +664,13 @@
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[0];
 $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[1];
+$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1];
 $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[1];
+$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2];
 $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[1];
+$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3];
 $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[1];
@@ -677,10 +690,13 @@
 $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
+$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
+$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
+$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -693,10 +709,13 @@
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -750,6 +769,7 @@
 
$result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[0];
 $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[3];
+$result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1];
 $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[3];

Modified: trunk/tp/t/results/html_tests/commands_in_abbr.pl
===================================================================
--- trunk/tp/t/results/html_tests/commands_in_abbr.pl   2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/html_tests/commands_in_abbr.pl   2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -24,6 +24,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -124,6 +125,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -247,6 +249,7 @@
 };
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0];
+$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1];
@@ -265,6 +268,7 @@
 $result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'commands_in_abbr'}{'contents'}[2];
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
+$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];

Modified: trunk/tp/t/results/info_tests/error_in_footnote.pl
===================================================================
--- trunk/tp/t/results/info_tests/error_in_footnote.pl  2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/info_tests/error_in_footnote.pl  2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -77,6 +77,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -488,6 +489,7 @@
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1];
+$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/float_long_captions.pl
===================================================================
--- trunk/tp/t/results/info_tests/float_long_captions.pl        2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/info_tests/float_long_captions.pl        2016-03-28 
13:17:36 UTC (rev 7077)
@@ -70,6 +70,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -233,6 +234,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -452,6 +454,7 @@
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1];
+$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1];
@@ -483,6 +486,7 @@
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3];
+$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3];

Modified: trunk/tp/t/results/info_tests/invalid_node_name_no_warning.pl
===================================================================
--- trunk/tp/t/results/info_tests/invalid_node_name_no_warning.pl       
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/info_tests/invalid_node_name_no_warning.pl       
2016-03-28 13:17:36 UTC (rev 7077)
@@ -639,6 +639,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -728,6 +729,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -980,6 +982,7 @@
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0];
+$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
@@ -999,6 +1002,7 @@
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
+$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/info_tests/invalid_node_name_warning.pl
===================================================================
--- trunk/tp/t/results/info_tests/invalid_node_name_warning.pl  2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/info_tests/invalid_node_name_warning.pl  2016-03-28 
13:17:36 UTC (rev 7077)
@@ -639,6 +639,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -728,6 +729,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -980,6 +982,7 @@
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0];
+$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
@@ -999,6 +1002,7 @@
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
+$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/info_tests/multiline_image_and_align.pl
===================================================================
--- trunk/tp/t/results/info_tests/multiline_image_and_align.pl  2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/info_tests/multiline_image_and_align.pl  2016-03-28 
13:17:36 UTC (rev 7077)
@@ -612,6 +612,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -622,6 +623,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -632,6 +634,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -735,6 +738,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -745,6 +749,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -755,6 +760,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -859,6 +865,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -869,6 +876,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -879,6 +887,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -983,6 +992,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -993,6 +1003,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1003,6 +1014,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1115,6 +1127,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1125,6 +1138,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1135,6 +1149,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1216,6 +1231,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1226,6 +1242,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1236,6 +1253,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1300,6 +1318,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1310,6 +1329,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1320,6 +1340,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1398,6 +1419,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1408,6 +1430,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1418,6 +1441,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1643,8 +1667,11 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1];
@@ -1664,8 +1691,11 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[4];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2];
@@ -1686,8 +1716,11 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[4];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2];
@@ -1708,8 +1741,11 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[4];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2];
@@ -1732,8 +1768,11 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[4];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1];
@@ -1747,8 +1786,11 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[4];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
@@ -1759,8 +1801,11 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[4];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3];
@@ -1775,8 +1820,11 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[0]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[4];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/pxref_test.pl
===================================================================
--- trunk/tp/t/results/info_tests/pxref_test.pl 2016-03-28 12:52:50 UTC (rev 
7076)
+++ trunk/tp/t/results/info_tests/pxref_test.pl 2016-03-28 13:17:36 UTC (rev 
7077)
@@ -121,6 +121,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -241,6 +242,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -339,6 +341,7 @@
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
+$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
@@ -359,6 +362,7 @@
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[0]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7];
+$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/info_tests/ref_tests.pl
===================================================================
--- trunk/tp/t/results/info_tests/ref_tests.pl  2016-03-28 12:52:50 UTC (rev 
7076)
+++ trunk/tp/t/results/info_tests/ref_tests.pl  2016-03-28 13:17:36 UTC (rev 
7077)
@@ -265,6 +265,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -336,6 +337,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -411,6 +413,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -492,6 +495,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -622,6 +626,7 @@
 $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[3]{'parent'} = 
$result_trees{'ref_tests'}{'contents'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0];
+$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -633,6 +638,7 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2];
+$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -644,6 +650,7 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[3]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -658,6 +665,7 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[5]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6];
+$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/info_tests/xref_test.pl
===================================================================
--- trunk/tp/t/results/info_tests/xref_test.pl  2016-03-28 12:52:50 UTC (rev 
7076)
+++ trunk/tp/t/results/info_tests/xref_test.pl  2016-03-28 13:17:36 UTC (rev 
7077)
@@ -242,6 +242,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -418,6 +419,7 @@
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6];
+$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/invalid_nestings/float_in_style_command.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/float_in_style_command.pl       
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/invalid_nestings/float_in_style_command.pl       
2016-03-28 13:17:36 UTC (rev 7077)
@@ -59,6 +59,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -216,6 +217,7 @@
 
$result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[0];
 
$result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[0];
 $result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'float_in_style_command'}{'contents'}[1];
+$result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1];
 
$result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1];
 
$result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1];
 $result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'float_in_style_command'}{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/footnote_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/footnote_in_ref.pl      2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/invalid_nestings/footnote_in_ref.pl      2016-03-28 
13:17:36 UTC (rev 7077)
@@ -64,6 +64,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -188,6 +189,7 @@
 $result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'footnote_in_ref'}{'contents'}[1];
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
+$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0];

Modified: trunk/tp/t/results/invalid_nestings/ignore_in_xref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/ignore_in_xref.pl       2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/invalid_nestings/ignore_in_xref.pl       2016-03-28 
13:17:36 UTC (rev 7077)
@@ -64,6 +64,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => '
 ',
                       'type' => 'empty_spaces_before_argument'
@@ -191,6 +192,7 @@
 $result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'ignore_in_xref'}{'contents'}[1];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
+$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/in_table.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/in_table.pl     2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/invalid_nestings/in_table.pl     2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -491,6 +491,7 @@
                                 {
                                   'contents' => [
                                     {
+                                      'parent' => {},
                                       'text' => ' ',
                                       'type' => 'empty_spaces_before_argument'
                                     },
@@ -1414,6 +1415,7 @@
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
+$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/invalid_nestings/item_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/item_in_ref.pl  2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/invalid_nestings/item_in_ref.pl  2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -133,6 +133,7 @@
                         {
                           'contents' => [
                             {
+                              'parent' => {},
                               'text' => ' ',
                               'type' => 'empty_spaces_before_argument'
                             },
@@ -313,6 +314,7 @@
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[0];
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0];
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0];
+$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[2];
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[2];
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0];
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/invalid_nestings/node_on_index_entry_line.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/node_on_index_entry_line.pl     
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/invalid_nestings/node_on_index_entry_line.pl     
2016-03-28 13:17:36 UTC (rev 7077)
@@ -74,6 +74,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -88,6 +89,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -102,6 +104,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -217,10 +220,13 @@
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[0];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[0];
 $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'node_on_index_entry_line'}{'contents'}[1];
+$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1];
 $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1]{'parent'} 
= $result_trees{'node_on_index_entry_line'}{'contents'}[1];
+$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2];
 $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2]{'parent'} 
= $result_trees{'node_on_index_entry_line'}{'contents'}[1];
+$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3];
 $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3]{'parent'} 
= $result_trees{'node_on_index_entry_line'}{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/on_node_line.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/on_node_line.pl 2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/invalid_nestings/on_node_line.pl 2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -39,6 +39,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -53,6 +54,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -67,6 +69,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -123,6 +126,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -333,10 +337,13 @@
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1];
+$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1];
+$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1];
+$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -347,6 +354,7 @@
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0];
 $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'on_node_line'}{'contents'}[1];
+$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[2];

Modified: trunk/tp/t/results/invalid_nestings/quotation_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/quotation_in_ref.pl     2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/invalid_nestings/quotation_in_ref.pl     2016-03-28 
13:17:36 UTC (rev 7077)
@@ -64,6 +64,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => '
 ',
                       'type' => 'empty_spaces_before_argument'
@@ -220,6 +221,7 @@
 $result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'quotation_in_ref'}{'contents'}[1];
 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
+$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];

Modified: trunk/tp/t/results/invalid_nestings/verbatim_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/verbatim_in_ref.pl      2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/invalid_nestings/verbatim_in_ref.pl      2016-03-28 
13:17:36 UTC (rev 7077)
@@ -64,6 +64,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' 
 ',
                       'type' => 'empty_spaces_before_argument'
@@ -187,6 +188,7 @@
 $result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'verbatim_in_ref'}{'contents'}[1];
 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
+$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];

Modified: trunk/tp/t/results/macro/ignored_macro_definition.pl
===================================================================
--- trunk/tp/t/results/macro/ignored_macro_definition.pl        2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/macro/ignored_macro_definition.pl        2016-03-28 
13:17:36 UTC (rev 7077)
@@ -81,6 +81,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => '
 ',
                   'type' => 'empty_spaces_before_argument'
@@ -220,6 +221,7 @@
 $result_trees{'ignored_macro_definition'}{'contents'}[3]{'parent'} = 
$result_trees{'ignored_macro_definition'};
 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'args'}[0];
 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0];
+$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'args'}[1];
 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'args'}[1];
 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[2];

Modified: trunk/tp/t/results/menu/inlineraw_in_menu_description.pl
===================================================================
--- trunk/tp/t/results/menu/inlineraw_in_menu_description.pl    2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/menu/inlineraw_in_menu_description.pl    2016-03-28 
13:17:36 UTC (rev 7077)
@@ -154,6 +154,7 @@
                             {
                               'contents' => [
                                 {
+                                  'parent' => {},
                                   'text' => ' ',
                                   'type' => 'empty_spaces_before_argument'
                                 },
@@ -351,6 +352,7 @@
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1];
+$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1];

Modified: trunk/tp/t/results/misc_commands/comment_space_command_on_line.pl
===================================================================
--- trunk/tp/t/results/misc_commands/comment_space_command_on_line.pl   
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/misc_commands/comment_space_command_on_line.pl   
2016-03-28 13:17:36 UTC (rev 7077)
@@ -503,6 +503,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -815,6 +816,7 @@
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[0];
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[0];
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[0]{'parent'}
 = $result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9];
+$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1];
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1];
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1];
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1]{'parent'}
 = $result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9];

Modified: trunk/tp/t/results/misc_commands/ref_in_center.pl
===================================================================
--- trunk/tp/t/results/misc_commands/ref_in_center.pl   2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/misc_commands/ref_in_center.pl   2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -154,6 +154,7 @@
                     {
                       'contents' => [
                         {
+                          'parent' => {},
                           'text' => ' ',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -273,6 +274,7 @@
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/paragraph/commands_in_flushright.pl
===================================================================
--- trunk/tp/t/results/paragraph/commands_in_flushright.pl      2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/paragraph/commands_in_flushright.pl      2016-03-28 
13:17:36 UTC (rev 7077)
@@ -902,6 +902,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -1642,6 +1643,7 @@
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[0];
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[0];
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[0]{'parent'}
 = $result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12];
+$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1];
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1];
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1];
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'parent'}
 = $result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12];

Modified: trunk/tp/t/results/plaintext_tests/at_commands_glued_in_example.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/at_commands_glued_in_example.pl  
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/plaintext_tests/at_commands_glued_in_example.pl  
2016-03-28 13:17:36 UTC (rev 7077)
@@ -110,6 +110,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -216,6 +217,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -662,6 +664,7 @@
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[9]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[0];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10];
+$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[0]{'contents'}[0];
@@ -680,6 +683,7 @@
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[15]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[0];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16];
+$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/plaintext_tests/at_commands_glued_in_paragraph.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/at_commands_glued_in_paragraph.pl        
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/plaintext_tests/at_commands_glued_in_paragraph.pl        
2016-03-28 13:17:36 UTC (rev 7077)
@@ -98,6 +98,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -204,6 +205,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -601,6 +603,7 @@
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[9]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10];
+$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0];
@@ -619,6 +622,7 @@
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[15]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16];
+$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/plaintext_tests/lone_braces_in_inlineraw.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/lone_braces_in_inlineraw.pl      
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/plaintext_tests/lone_braces_in_inlineraw.pl      
2016-03-28 13:17:36 UTC (rev 7077)
@@ -24,6 +24,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -82,6 +83,7 @@
 };
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0];
+$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/plaintext_tests/punctuation_abbr_acronym.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/punctuation_abbr_acronym.pl      
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/plaintext_tests/punctuation_abbr_acronym.pl      
2016-03-28 13:17:36 UTC (rev 7077)
@@ -169,6 +169,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -225,6 +226,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -277,6 +279,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -330,6 +333,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -408,6 +412,7 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[7]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8];
+$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[0]{'contents'}[0];
@@ -417,6 +422,7 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[9]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10];
+$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0];
@@ -427,6 +433,7 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[11]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12];
+$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[0]{'contents'}[0];
@@ -437,6 +444,7 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[13]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14];
+$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/plaintext_tests/quote_node_names.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/quote_node_names.pl      2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/plaintext_tests/quote_node_names.pl      2016-03-28 
13:17:36 UTC (rev 7077)
@@ -104,6 +104,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -215,6 +216,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -290,6 +292,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -401,6 +404,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -476,6 +480,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -587,6 +592,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1670,6 +1676,7 @@
 $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'quote_node_names'}{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -1689,6 +1696,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -1702,6 +1710,7 @@
 $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[2]{'parent'} = 
$result_trees{'quote_node_names'}{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -1721,6 +1730,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -1734,6 +1744,7 @@
 $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[4]{'parent'} = 
$result_trees{'quote_node_names'}{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -1753,6 +1764,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/raw/inline_in_example.pl
===================================================================
--- trunk/tp/t/results/raw/inline_in_example.pl 2016-03-28 12:52:50 UTC (rev 
7076)
+++ trunk/tp/t/results/raw/inline_in_example.pl 2016-03-28 13:17:36 UTC (rev 
7077)
@@ -40,6 +40,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -133,6 +134,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -201,6 +203,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' 
 ',
                       'type' => 'empty_spaces_before_argument'
@@ -357,6 +360,7 @@
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1];
+$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1];
@@ -375,6 +379,7 @@
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3];
+$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
@@ -386,6 +391,7 @@
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[0];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7];
+$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[3]{'args'}[0];

Modified: trunk/tp/t/results/raw/inline_missing_first_arg.pl
===================================================================
--- trunk/tp/t/results/raw/inline_missing_first_arg.pl  2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/raw/inline_missing_first_arg.pl  2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -25,6 +25,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -70,6 +71,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -115,6 +117,7 @@
 };
 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0];
+$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
@@ -122,6 +125,7 @@
 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_missing_first_arg'}{'contents'}[0];
 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'inline_missing_first_arg'}{'contents'}[0];
 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[2];
+$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[2];
 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/raw/inlinefmt.pl
===================================================================
--- trunk/tp/t/results/raw/inlinefmt.pl 2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/raw/inlinefmt.pl 2016-03-28 13:17:36 UTC (rev 7077)
@@ -28,6 +28,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -104,6 +105,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -193,6 +195,7 @@
 $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'inlinefmt'}{'contents'}[0];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1];
+$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1];
@@ -208,6 +211,7 @@
 $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'inlinefmt'}{'contents'}[0];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[0];
 $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'parent'} 
= $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3];
+$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2];

Modified: trunk/tp/t/results/raw/inlinefmt_with_empty_line.pl
===================================================================
--- trunk/tp/t/results/raw/inlinefmt_with_empty_line.pl 2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/raw/inlinefmt_with_empty_line.pl 2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -28,6 +28,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -113,6 +114,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -215,6 +217,7 @@
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmt_with_empty_line'}{'contents'}[0];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1];
+$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1];
@@ -227,6 +230,7 @@
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmt_with_empty_line'}{'contents'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2];
+$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2];

Modified: trunk/tp/t/results/raw/inlineraw.pl
===================================================================
--- trunk/tp/t/results/raw/inlineraw.pl 2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/raw/inlineraw.pl 2016-03-28 13:17:36 UTC (rev 7077)
@@ -28,6 +28,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -104,6 +105,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -193,6 +195,7 @@
 $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'inlineraw'}{'contents'}[0];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1];
+$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1];
@@ -208,6 +211,7 @@
 $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'inlineraw'}{'contents'}[0];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[0];
 $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'parent'} 
= $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3];
+$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2];

Modified: trunk/tp/t/results/raw/inlineraw_with_empty_line.pl
===================================================================
--- trunk/tp/t/results/raw/inlineraw_with_empty_line.pl 2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/raw/inlineraw_with_empty_line.pl 2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -28,6 +28,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -116,6 +117,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -222,6 +224,7 @@
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlineraw_with_empty_line'}{'contents'}[0];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1];
+$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[3];
@@ -238,6 +241,7 @@
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'inlineraw_with_empty_line'}{'contents'}[0];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3];
+$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1];

Modified: trunk/tp/t/results/sectioning/a_comma_after_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/a_comma_after_node.pl 2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/sectioning/a_comma_after_node.pl 2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -35,6 +35,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -49,6 +50,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -127,8 +129,10 @@
 
$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[0];
 
$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[0];
 $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'a_comma_after_node'}{'contents'}[1];
+$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1];
 
$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1];
 $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'a_comma_after_node'}{'contents'}[1];
+$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2];
 
$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2];
 
$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2];
 $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'a_comma_after_node'}{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/character_and_spaces_in_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/character_and_spaces_in_node.pl       
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/character_and_spaces_in_node.pl       
2016-03-28 13:17:36 UTC (rev 7077)
@@ -91,6 +91,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -105,6 +106,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -119,6 +121,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -200,6 +203,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -214,6 +218,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -228,6 +233,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -329,6 +335,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -492,10 +499,13 @@
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[0];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[0];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2];
@@ -510,10 +520,13 @@
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[0];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[0];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3];
+$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3];
+$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3];
+$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3];
@@ -532,6 +545,7 @@
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[4];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[4];
+$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[4];

Modified: trunk/tp/t/results/sectioning/character_and_spaces_in_refs.pl
===================================================================
--- trunk/tp/t/results/sectioning/character_and_spaces_in_refs.pl       
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/character_and_spaces_in_refs.pl       
2016-03-28 13:17:36 UTC (rev 7077)
@@ -309,6 +309,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -459,6 +460,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -583,6 +585,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -736,6 +739,7 @@
                     {
                       'contents' => [
                         {
+                          'parent' => {},
                           'text' => ' ',
                           'type' => 'empty_spaces_before_argument'
                         },
@@ -750,6 +754,7 @@
                     {
                       'contents' => [
                         {
+                          'parent' => {},
                           'text' => ' ',
                           'type' => 'empty_spaces_before_argument'
                         },
@@ -764,6 +769,7 @@
                     {
                       'contents' => [
                         {
+                          'parent' => {},
                           'text' => ' ',
                           'type' => 'empty_spaces_before_argument'
                         },
@@ -917,6 +923,7 @@
                     {
                       'contents' => [
                         {
+                          'parent' => {},
                           'text' => ' ',
                           'type' => 'empty_spaces_before_argument'
                         },
@@ -1241,6 +1248,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -1255,6 +1263,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -1269,6 +1278,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -1693,6 +1703,7 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[1];
@@ -1719,6 +1730,7 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4];
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'contents'}[1];
@@ -1739,6 +1751,7 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8];
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[0]{'contents'}[0];
@@ -1765,10 +1778,13 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
@@ -1795,6 +1811,7 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
@@ -1853,10 +1870,13 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3];
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3];
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3];
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3];

Modified: trunk/tp/t/results/sectioning/character_and_spaces_in_refs_out.pl
===================================================================
--- trunk/tp/t/results/sectioning/character_and_spaces_in_refs_out.pl   
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/character_and_spaces_in_refs_out.pl   
2016-03-28 13:17:36 UTC (rev 7077)
@@ -310,6 +310,7 @@
                   {
                     'contents' => [
                       {
+                        'parent' => {},
                         'text' => ' ',
                         'type' => 'empty_spaces_before_argument'
                       },
@@ -460,6 +461,7 @@
                   {
                     'contents' => [
                       {
+                        'parent' => {},
                         'text' => ' ',
                         'type' => 'empty_spaces_before_argument'
                       },
@@ -584,6 +586,7 @@
                   {
                     'contents' => [
                       {
+                        'parent' => {},
                         'text' => ' ',
                         'type' => 'empty_spaces_before_argument'
                       },
@@ -737,6 +740,7 @@
                       {
                         'contents' => [
                           {
+                            'parent' => {},
                             'text' => ' ',
                             'type' => 'empty_spaces_before_argument'
                           },
@@ -751,6 +755,7 @@
                       {
                         'contents' => [
                           {
+                            'parent' => {},
                             'text' => ' ',
                             'type' => 'empty_spaces_before_argument'
                           },
@@ -765,6 +770,7 @@
                       {
                         'contents' => [
                           {
+                            'parent' => {},
                             'text' => ' ',
                             'type' => 'empty_spaces_before_argument'
                           },
@@ -857,6 +863,7 @@
                               {
                                 'contents' => [
                                   {
+                                    'parent' => {},
                                     'text' => ' ',
                                     'type' => 'empty_spaces_before_argument'
                                   },
@@ -871,6 +878,7 @@
                               {
                                 'contents' => [
                                   {
+                                    'parent' => {},
                                     'text' => ' ',
                                     'type' => 'empty_spaces_before_argument'
                                   },
@@ -885,6 +893,7 @@
                               {
                                 'contents' => [
                                   {
+                                    'parent' => {},
                                     'text' => ' ',
                                     'type' => 'empty_spaces_before_argument'
                                   },
@@ -1340,6 +1349,7 @@
                       {
                         'contents' => [
                           {
+                            'parent' => {},
                             'text' => ' ',
                             'type' => 'empty_spaces_before_argument'
                           },
@@ -1741,6 +1751,7 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[1];
@@ -1767,6 +1778,7 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'contents'}[1];
@@ -1787,6 +1799,7 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[0]{'contents'}[0];
@@ -1813,10 +1826,13 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
@@ -1832,10 +1848,13 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0];
@@ -1920,6 +1939,7 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};

Modified: trunk/tp/t/results/sectioning/complex.pl
===================================================================
--- trunk/tp/t/results/sectioning/complex.pl    2016-03-28 12:52:50 UTC (rev 
7076)
+++ trunk/tp/t/results/sectioning/complex.pl    2016-03-28 13:17:36 UTC (rev 
7077)
@@ -2727,6 +2727,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => '  ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -2741,6 +2742,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -2755,6 +2757,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -3532,10 +3535,13 @@
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[0];
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[0];
 $result_trees{'complex'}[12]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[0];
+$result_trees{'complex'}[12]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[1];
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[1];
 $result_trees{'complex'}[12]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[0];
+$result_trees{'complex'}[12]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[2];
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[2];
 $result_trees{'complex'}[12]{'contents'}[0]{'args'}[2]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[0];
+$result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[3];
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[3];
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[3];
 $result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[0];

Modified: trunk/tp/t/results/sectioning/complex_split_at_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/complex_split_at_node.pl      2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/complex_split_at_node.pl      2016-03-28 
13:17:36 UTC (rev 7077)
@@ -2737,6 +2737,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => '  ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -2751,6 +2752,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -2765,6 +2767,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -3555,10 +3558,13 @@
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[0];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[0];
 $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1];
 $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2];
 $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3];
 $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[0];

Modified: trunk/tp/t/results/sectioning/double_node_anchor_float.pl
===================================================================
--- trunk/tp/t/results/sectioning/double_node_anchor_float.pl   2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/double_node_anchor_float.pl   2016-03-28 
13:17:36 UTC (rev 7077)
@@ -274,6 +274,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -390,6 +391,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -506,6 +508,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -716,6 +719,7 @@
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1];
+$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1];
@@ -738,6 +742,7 @@
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[0];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[0];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3];
+$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3];
@@ -760,6 +765,7 @@
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[0];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[0];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5];
+$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1]{'parent'}
 = $result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5];

Modified: trunk/tp/t/results/sectioning/double_top.pl
===================================================================
--- trunk/tp/t/results/sectioning/double_top.pl 2016-03-28 12:52:50 UTC (rev 
7076)
+++ trunk/tp/t/results/sectioning/double_top.pl 2016-03-28 13:17:36 UTC (rev 
7077)
@@ -35,6 +35,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -233,6 +234,7 @@
 $result_trees{'double_top'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'double_top'}{'contents'}[1]{'args'}[0];
 $result_trees{'double_top'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'} 
= $result_trees{'double_top'}{'contents'}[1]{'args'}[0];
 $result_trees{'double_top'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'double_top'}{'contents'}[1];
+$result_trees{'double_top'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'double_top'}{'contents'}[1]{'args'}[1];
 $result_trees{'double_top'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'double_top'}{'contents'}[1]{'args'}[1];
 $result_trees{'double_top'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'} 
= $result_trees{'double_top'}{'contents'}[1]{'args'}[1];
 $result_trees{'double_top'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'double_top'}{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/double_top_in_menu.pl
===================================================================
--- trunk/tp/t/results/sectioning/double_top_in_menu.pl 2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/sectioning/double_top_in_menu.pl 2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -35,6 +35,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -389,6 +390,7 @@
 
$result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[0];
 
$result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[0];
 $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'double_top_in_menu'}{'contents'}[1];
+$result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1];
 
$result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1];
 
$result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1];
 $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'double_top_in_menu'}{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/email_in_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/email_in_node.pl      2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/sectioning/email_in_node.pl      2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -88,6 +88,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -140,6 +141,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -216,6 +218,7 @@
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3];
+$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
@@ -226,6 +229,7 @@
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5];
+$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/empty_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/empty_node.pl 2016-03-28 12:52:50 UTC (rev 
7076)
+++ trunk/tp/t/results/sectioning/empty_node.pl 2016-03-28 13:17:36 UTC (rev 
7077)
@@ -71,6 +71,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -85,6 +86,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -99,6 +101,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -163,10 +166,13 @@
 
$result_trees{'empty_node'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'empty_node'}{'contents'}[2];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[0];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'empty_node'}{'contents'}[2];
+$result_trees{'empty_node'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[1];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[1];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'empty_node'}{'contents'}[2];
+$result_trees{'empty_node'}{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[2];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[2];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[2]{'parent'} = 
$result_trees{'empty_node'}{'contents'}[2];
+$result_trees{'empty_node'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[3];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[3];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[3]{'contents'}[2]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[3];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[3]{'parent'} = 
$result_trees{'empty_node'}{'contents'}[2];

Modified: trunk/tp/t/results/sectioning/empty_ref_arg.pl
===================================================================
--- trunk/tp/t/results/sectioning/empty_ref_arg.pl      2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/sectioning/empty_ref_arg.pl      2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -64,6 +64,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -127,6 +128,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -137,6 +139,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -201,6 +204,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -215,6 +219,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -281,6 +286,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -341,6 +347,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -461,6 +468,7 @@
 $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'empty_ref_arg'}{'contents'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
@@ -472,7 +480,9 @@
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -484,8 +494,10 @@
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
@@ -498,6 +510,7 @@
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
@@ -506,6 +519,7 @@
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[5];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[5]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[2];

Modified: trunk/tp/t/results/sectioning/equivalent_labels.pl
===================================================================
--- trunk/tp/t/results/sectioning/equivalent_labels.pl  2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/sectioning/equivalent_labels.pl  2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -139,6 +139,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -488,6 +489,7 @@
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4];
+$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4];

Modified: trunk/tp/t/results/sectioning/equivalent_nodes.pl
===================================================================
--- trunk/tp/t/results/sectioning/equivalent_nodes.pl   2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/sectioning/equivalent_nodes.pl   2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -35,6 +35,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -374,6 +375,7 @@
 
$result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[0];
 
$result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[0];
 $result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'equivalent_nodes'}{'contents'}[1];
+$result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1];
 
$result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'contents'}[1];
 
$result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1];

Modified: trunk/tp/t/results/sectioning/explicit_node_directions.pl
===================================================================
--- trunk/tp/t/results/sectioning/explicit_node_directions.pl   2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/explicit_node_directions.pl   2016-03-28 
13:17:36 UTC (rev 7077)
@@ -291,6 +291,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -551,6 +552,7 @@
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0];
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[2];

Modified: trunk/tp/t/results/sectioning/more_sections_than_nodes.pl
===================================================================
--- trunk/tp/t/results/sectioning/more_sections_than_nodes.pl   2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/more_sections_than_nodes.pl   2016-03-28 
13:17:36 UTC (rev 7077)
@@ -578,6 +578,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -592,6 +593,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -606,6 +608,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -1486,10 +1489,13 @@
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[0];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[0];
 $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[0]{'parent'} 
= $result_trees{'more_sections_than_nodes'}{'contents'}[7];
+$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1];
 $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1]{'parent'} 
= $result_trees{'more_sections_than_nodes'}{'contents'}[7];
+$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2];
 $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2]{'parent'} 
= $result_trees{'more_sections_than_nodes'}{'contents'}[7];
+$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3];
 $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3]{'parent'} 
= $result_trees{'more_sections_than_nodes'}{'contents'}[7];

Modified: trunk/tp/t/results/sectioning/next_no_prev_to_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/next_no_prev_to_node.pl       2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/next_no_prev_to_node.pl       2016-03-28 
13:17:36 UTC (rev 7077)
@@ -276,6 +276,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -295,6 +296,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -388,6 +390,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -488,9 +491,11 @@
 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[0];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[0];
 $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[2];
+$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1];
 $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[2];
 $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[2]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[2];
+$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3];
 $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[2];
@@ -507,6 +512,7 @@
 $result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[3];
 $result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[1]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[3];
 $result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[2]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[3];
+$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3];
 $result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[3];

Modified: trunk/tp/t/results/sectioning/no_element.pl
===================================================================
--- trunk/tp/t/results/sectioning/no_element.pl 2016-03-28 12:52:50 UTC (rev 
7076)
+++ trunk/tp/t/results/sectioning/no_element.pl 2016-03-28 13:17:36 UTC (rev 
7077)
@@ -460,6 +460,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -887,6 +888,7 @@
 
$result_trees{'no_element'}{'contents'}[13]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'no_element'}{'contents'}[13];
 
$result_trees{'no_element'}{'contents'}[13]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'no_element'}{'contents'}[13]{'args'}[0];
 $result_trees{'no_element'}{'contents'}[13]{'args'}[0]{'parent'} = 
$result_trees{'no_element'}{'contents'}[13];
+$result_trees{'no_element'}{'contents'}[13]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'no_element'}{'contents'}[13]{'args'}[1];
 
$result_trees{'no_element'}{'contents'}[13]{'args'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'no_element'}{'contents'}[13]{'args'}[1];
 
$result_trees{'no_element'}{'contents'}[13]{'args'}[1]{'contents'}[2]{'parent'} 
= $result_trees{'no_element'}{'contents'}[13]{'args'}[1];
 $result_trees{'no_element'}{'contents'}[13]{'args'}[1]{'parent'} = 
$result_trees{'no_element'}{'contents'}[13];

Modified: trunk/tp/t/results/sectioning/node.pl
===================================================================
--- trunk/tp/t/results/sectioning/node.pl       2016-03-28 12:52:50 UTC (rev 
7076)
+++ trunk/tp/t/results/sectioning/node.pl       2016-03-28 13:17:36 UTC (rev 
7077)
@@ -91,6 +91,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -160,6 +161,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -174,6 +176,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -249,6 +252,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -263,6 +267,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -277,6 +282,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -358,6 +364,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -372,6 +379,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -386,6 +394,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -568,6 +577,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -599,6 +609,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -699,6 +710,7 @@
 $result_trees{'node'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[2]{'args'}[0];
 $result_trees{'node'}{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[2]{'args'}[0];
 $result_trees{'node'}{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[2];
+$result_trees{'node'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[2]{'args'}[1];
 $result_trees{'node'}{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[2]{'args'}[1];
 $result_trees{'node'}{'contents'}[2]{'args'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[2]{'args'}[1];
 $result_trees{'node'}{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[2];
@@ -711,8 +723,10 @@
 $result_trees{'node'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[3]{'args'}[0];
 $result_trees{'node'}{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[3]{'args'}[0];
 $result_trees{'node'}{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[3];
+$result_trees{'node'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[3]{'args'}[1];
 $result_trees{'node'}{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[3]{'args'}[1];
 $result_trees{'node'}{'contents'}[3]{'args'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[3];
+$result_trees{'node'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[3]{'args'}[2];
 $result_trees{'node'}{'contents'}[3]{'args'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[3]{'args'}[2];
 $result_trees{'node'}{'contents'}[3]{'args'}[2]{'contents'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[3]{'args'}[2];
 $result_trees{'node'}{'contents'}[3]{'args'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[3];
@@ -726,10 +740,13 @@
 $result_trees{'node'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[0];
 $result_trees{'node'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[0];
 $result_trees{'node'}{'contents'}[4]{'args'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[4];
+$result_trees{'node'}{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[1];
 $result_trees{'node'}{'contents'}[4]{'args'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[1];
 $result_trees{'node'}{'contents'}[4]{'args'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[4];
+$result_trees{'node'}{'contents'}[4]{'args'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[2];
 $result_trees{'node'}{'contents'}[4]{'args'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[2];
 $result_trees{'node'}{'contents'}[4]{'args'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[4];
+$result_trees{'node'}{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[3];
 $result_trees{'node'}{'contents'}[4]{'args'}[3]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[3];
 $result_trees{'node'}{'contents'}[4]{'args'}[3]{'contents'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[3];
 $result_trees{'node'}{'contents'}[4]{'args'}[3]{'parent'} = 
$result_trees{'node'}{'contents'}[4];
@@ -744,10 +761,13 @@
 $result_trees{'node'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[0];
 $result_trees{'node'}{'contents'}[5]{'args'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[0];
 $result_trees{'node'}{'contents'}[5]{'args'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[5];
+$result_trees{'node'}{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[1];
 $result_trees{'node'}{'contents'}[5]{'args'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[1];
 $result_trees{'node'}{'contents'}[5]{'args'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[5];
+$result_trees{'node'}{'contents'}[5]{'args'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[2];
 $result_trees{'node'}{'contents'}[5]{'args'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[2];
 $result_trees{'node'}{'contents'}[5]{'args'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[5];
+$result_trees{'node'}{'contents'}[5]{'args'}[3]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[3];
 $result_trees{'node'}{'contents'}[5]{'args'}[3]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[3];
 $result_trees{'node'}{'contents'}[5]{'args'}[3]{'contents'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[3];
 $result_trees{'node'}{'contents'}[5]{'args'}[3]{'parent'} = 
$result_trees{'node'}{'contents'}[5];
@@ -778,12 +798,14 @@
 $result_trees{'node'}{'contents'}[7]{'args'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[0];
 $result_trees{'node'}{'contents'}[7]{'args'}[0]{'contents'}[3]{'parent'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[0];
 $result_trees{'node'}{'contents'}[7]{'args'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[7];
+$result_trees{'node'}{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[1];
 
$result_trees{'node'}{'contents'}[7]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node'}{'contents'}[7]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'node'}{'contents'}[7]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'node'}{'contents'}[7]{'args'}[1]{'contents'}[1];
 $result_trees{'node'}{'contents'}[7]{'args'}[1]{'contents'}[1]{'line_nr'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[0]{'contents'}[2]{'line_nr'};
 $result_trees{'node'}{'contents'}[7]{'args'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[1];
 $result_trees{'node'}{'contents'}[7]{'args'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[1];
 $result_trees{'node'}{'contents'}[7]{'args'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[7];
+$result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[2];
 
$result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[1];
 $result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[1]{'line_nr'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[0]{'contents'}[2]{'line_nr'};

Modified: trunk/tp/t/results/sectioning/node_empty_direction.pl
===================================================================
--- trunk/tp/t/results/sectioning/node_empty_direction.pl       2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/node_empty_direction.pl       2016-03-28 
13:17:36 UTC (rev 7077)
@@ -35,6 +35,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             }
@@ -74,6 +75,7 @@
 
$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[0];
 
$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[0];
 $result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'node_empty_direction'}{'contents'}[1];
+$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[1];
 $result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'node_empty_direction'}{'contents'}[1];
 
$result_trees{'node_empty_direction'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'node_empty_direction'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'node_empty_direction'}{'contents'}[1]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/node_too_much_args.pl
===================================================================
--- trunk/tp/t/results/sectioning/node_too_much_args.pl 2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/sectioning/node_too_much_args.pl 2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -35,6 +35,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             }
@@ -45,6 +46,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             }
@@ -55,6 +57,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => '  ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -108,8 +111,11 @@
 
$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[0];
 
$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[0];
 $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'node_too_much_args'}{'contents'}[1];
+$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[1];
 $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'node_too_much_args'}{'contents'}[1];
+$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[2];
 $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'node_too_much_args'}{'contents'}[1];
+$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3];
 
$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3];
 $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3]{'parent'} = 
$result_trees{'node_too_much_args'}{'contents'}[1];
 $result_trees{'node_too_much_args'}{'contents'}[1]{'extra'}{'node_content'}[0] 
= $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/node_up_external_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/node_up_external_node.pl      2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/node_up_external_node.pl      2016-03-28 
13:17:36 UTC (rev 7077)
@@ -229,6 +229,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -243,6 +244,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -262,6 +264,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -376,11 +379,14 @@
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[0];
 $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'node_up_external_node'}[1]{'contents'}[0];
+$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1];
 $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'node_up_external_node'}[1]{'contents'}[0];
+$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2];
 $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'node_up_external_node'}[1]{'contents'}[0];
+$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3];
 $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'node_up_external_node'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_nodes.pl
===================================================================
--- trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_nodes.pl       
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_nodes.pl       
2016-03-28 13:17:36 UTC (rev 7077)
@@ -291,6 +291,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -596,6 +597,7 @@
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[2];

Modified: 
trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_sections.pl
===================================================================
--- trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_sections.pl    
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_sections.pl    
2016-03-28 13:17:36 UTC (rev 7077)
@@ -282,6 +282,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -574,6 +575,7 @@
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2];
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[2];

Modified: trunk/tp/t/results/sectioning/nodes_after_top_before_section_nodes.pl
===================================================================
--- trunk/tp/t/results/sectioning/nodes_after_top_before_section_nodes.pl       
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/nodes_after_top_before_section_nodes.pl       
2016-03-28 13:17:36 UTC (rev 7077)
@@ -291,6 +291,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -596,6 +597,7 @@
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[2];

Modified: 
trunk/tp/t/results/sectioning/nodes_after_top_before_section_sections.pl
===================================================================
--- trunk/tp/t/results/sectioning/nodes_after_top_before_section_sections.pl    
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/nodes_after_top_before_section_sections.pl    
2016-03-28 13:17:36 UTC (rev 7077)
@@ -282,6 +282,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -574,6 +575,7 @@
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2];
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[2];

Modified: trunk/tp/t/results/sectioning/nodes_before_top.pl
===================================================================
--- trunk/tp/t/results/sectioning/nodes_before_top.pl   2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/sectioning/nodes_before_top.pl   2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -35,6 +35,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -49,6 +50,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             }
@@ -679,8 +681,10 @@
 
$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[0];
 
$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[0];
 $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'nodes_before_top'}{'contents'}[1];
+$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1];
 
$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1];
 $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'nodes_before_top'}{'contents'}[1];
+$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[2];
 $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'nodes_before_top'}{'contents'}[1];
 
$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[3];
 
$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[3];

Modified: trunk/tp/t/results/sectioning/non_automatic_internal_top_node_up.pl
===================================================================
--- trunk/tp/t/results/sectioning/non_automatic_internal_top_node_up.pl 
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/non_automatic_internal_top_node_up.pl 
2016-03-28 13:17:36 UTC (rev 7077)
@@ -36,6 +36,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -50,6 +51,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -68,6 +70,7 @@
                   {
                     'contents' => [
                       {
+                        'parent' => {},
                         'text' => ' ',
                         'type' => 'empty_spaces_before_argument'
                       },
@@ -148,6 +151,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -166,6 +170,7 @@
                   {
                     'contents' => [
                       {
+                        'parent' => {},
                         'text' => ' ',
                         'type' => 'empty_spaces_before_argument'
                       },
@@ -497,6 +502,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               }
@@ -507,6 +513,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -521,6 +528,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -539,6 +547,7 @@
                   {
                     'contents' => [
                       {
+                        'parent' => {},
                         'text' => ' ',
                         'type' => 'empty_spaces_before_argument'
                       },
@@ -670,10 +679,13 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -689,8 +701,10 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -760,11 +774,15 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/sectioning/non_automatic_top_node_up_and_url.pl
===================================================================
--- trunk/tp/t/results/sectioning/non_automatic_top_node_up_and_url.pl  
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/non_automatic_top_node_up_and_url.pl  
2016-03-28 13:17:36 UTC (rev 7077)
@@ -36,6 +36,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -50,6 +51,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -68,6 +70,7 @@
                   {
                     'contents' => [
                       {
+                        'parent' => {},
                         'text' => ' ',
                         'type' => 'empty_spaces_before_argument'
                       },
@@ -148,6 +151,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -166,6 +170,7 @@
                   {
                     'contents' => [
                       {
+                        'parent' => {},
                         'text' => ' ',
                         'type' => 'empty_spaces_before_argument'
                       },
@@ -497,6 +502,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               }
@@ -507,6 +513,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -521,6 +528,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -539,6 +547,7 @@
                   {
                     'contents' => [
                       {
+                        'parent' => {},
                         'text' => ' ',
                         'type' => 'empty_spaces_before_argument'
                       },
@@ -670,10 +679,13 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -689,8 +701,10 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -760,11 +774,15 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/sectioning/non_automatic_top_node_up_url.pl
===================================================================
--- trunk/tp/t/results/sectioning/non_automatic_top_node_up_url.pl      
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/non_automatic_top_node_up_url.pl      
2016-03-28 13:17:36 UTC (rev 7077)
@@ -36,6 +36,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -50,6 +51,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -64,6 +66,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -338,6 +341,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               }
@@ -348,6 +352,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -362,6 +367,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -431,10 +437,13 @@
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
@@ -486,9 +495,12 @@
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/sectioning/novalidate.pl
===================================================================
--- trunk/tp/t/results/sectioning/novalidate.pl 2016-03-28 12:52:50 UTC (rev 
7076)
+++ trunk/tp/t/results/sectioning/novalidate.pl 2016-03-28 13:17:36 UTC (rev 
7077)
@@ -65,6 +65,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -310,6 +311,7 @@
 $result_trees{'novalidate'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'novalidate'}{'contents'}[1]{'args'}[0];
 $result_trees{'novalidate'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'} 
= $result_trees{'novalidate'}{'contents'}[1]{'args'}[0];
 $result_trees{'novalidate'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'novalidate'}{'contents'}[1];
+$result_trees{'novalidate'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'novalidate'}{'contents'}[1]{'args'}[1];
 $result_trees{'novalidate'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'novalidate'}{'contents'}[1]{'args'}[1];
 $result_trees{'novalidate'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'} 
= $result_trees{'novalidate'}{'contents'}[1]{'args'}[1];
 $result_trees{'novalidate'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'novalidate'}{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/part_node_before_top.pl
===================================================================
--- trunk/tp/t/results/sectioning/part_node_before_top.pl       2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/part_node_before_top.pl       2016-03-28 
13:17:36 UTC (rev 7077)
@@ -36,6 +36,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -390,6 +391,7 @@
 
$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[0];
 $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1];
 $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1];
 $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/part_node_chapter_after_top.pl
===================================================================
--- trunk/tp/t/results/sectioning/part_node_chapter_after_top.pl        
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/part_node_chapter_after_top.pl        
2016-03-28 13:17:36 UTC (rev 7077)
@@ -380,6 +380,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -394,6 +395,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -408,6 +410,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -507,6 +510,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -526,6 +530,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -703,10 +708,13 @@
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
+$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
+$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
+$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
@@ -724,9 +732,11 @@
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];
+$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];
+$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];

Modified: trunk/tp/t/results/sectioning/placed_things_before_element.pl
===================================================================
--- trunk/tp/t/results/sectioning/placed_things_before_element.pl       
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/placed_things_before_element.pl       
2016-03-28 13:17:36 UTC (rev 7077)
@@ -368,6 +368,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -959,6 +960,7 @@
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9];
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[0];
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[0]{'parent'}
 = $result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9];
+$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1];
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1];
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1];
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'parent'}
 = $result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9];

Modified: trunk/tp/t/results/sectioning/placed_things_before_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/placed_things_before_node.pl  2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/placed_things_before_node.pl  2016-03-28 
13:17:36 UTC (rev 7077)
@@ -368,6 +368,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -1007,6 +1008,7 @@
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9];
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[0];
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[0]{'parent'}
 = $result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9];
+$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1];
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1];
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1];
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'parent'}
 = $result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9];

Modified: trunk/tp/t/results/sectioning/semi_auto.pl
===================================================================
--- trunk/tp/t/results/sectioning/semi_auto.pl  2016-03-28 12:52:50 UTC (rev 
7076)
+++ trunk/tp/t/results/sectioning/semi_auto.pl  2016-03-28 13:17:36 UTC (rev 
7077)
@@ -652,6 +652,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -666,6 +667,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -884,8 +886,10 @@
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'parent'} 
= $result_trees{'semi_auto'}{'contents'}[7]{'args'}[0];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[0]{'parent'} = 
$result_trees{'semi_auto'}{'contents'}[7];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[1]{'parent'} = 
$result_trees{'semi_auto'}{'contents'}[7];
+$result_trees{'semi_auto'}{'contents'}[7]{'args'}[2]{'contents'}[0]{'parent'} 
= $result_trees{'semi_auto'}{'contents'}[7]{'args'}[2];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[2]{'contents'}[1]{'parent'} 
= $result_trees{'semi_auto'}{'contents'}[7]{'args'}[2];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[2]{'parent'} = 
$result_trees{'semi_auto'}{'contents'}[7];
+$result_trees{'semi_auto'}{'contents'}[7]{'args'}[3]{'contents'}[0]{'parent'} 
= $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3]{'contents'}[1]{'parent'} 
= $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3]{'contents'}[2]{'parent'} 
= $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3]{'parent'} = 
$result_trees{'semi_auto'}{'contents'}[7];

Modified: trunk/tp/t/results/sectioning/two_nodes_at_the_end.pl
===================================================================
--- trunk/tp/t/results/sectioning/two_nodes_at_the_end.pl       2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/two_nodes_at_the_end.pl       2016-03-28 
13:17:36 UTC (rev 7077)
@@ -387,6 +387,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -401,6 +402,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -415,6 +417,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -709,10 +712,13 @@
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[0];
 $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1];
 $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2];
 $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3];
 $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/sectioning/two_nodes_between_chapters.pl
===================================================================
--- trunk/tp/t/results/sectioning/two_nodes_between_chapters.pl 2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/sectioning/two_nodes_between_chapters.pl 2016-03-28 
13:17:36 UTC (rev 7077)
@@ -387,6 +387,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -401,6 +402,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -415,6 +417,7 @@
           {
             'contents' => [
               {
+                'parent' => {},
                 'text' => ' ',
                 'type' => 'empty_spaces_before_argument'
               },
@@ -764,10 +767,13 @@
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/value/ignored_value_definition.pl
===================================================================
--- trunk/tp/t/results/value/ignored_value_definition.pl        2016-03-28 
12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/value/ignored_value_definition.pl        2016-03-28 
13:17:36 UTC (rev 7077)
@@ -54,6 +54,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => '
 ',
                   'type' => 'empty_spaces_before_argument'
@@ -147,6 +148,7 @@
 $result_trees{'ignored_value_definition'}{'contents'}[1]{'parent'} = 
$result_trees{'ignored_value_definition'};
 
$result_trees{'ignored_value_definition'}{'contents'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ignored_value_definition'}{'contents'}[2]{'contents'}[0]{'args'}[0];
 
$result_trees{'ignored_value_definition'}{'contents'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'ignored_value_definition'}{'contents'}[2]{'contents'}[0];
+$result_trees{'ignored_value_definition'}{'contents'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ignored_value_definition'}{'contents'}[2]{'contents'}[0]{'args'}[1];
 
$result_trees{'ignored_value_definition'}{'contents'}[2]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'ignored_value_definition'}{'contents'}[2]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'ignored_value_definition'}{'contents'}[2]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'ignored_value_definition'}{'contents'}[2]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'ignored_value_definition'}{'contents'}[2]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ignored_value_definition'}{'contents'}[2]{'contents'}[0]{'args'}[1];

Modified: trunk/tp/t/results/value/value_in_node.pl
===================================================================
--- trunk/tp/t/results/value/value_in_node.pl   2016-03-28 12:52:50 UTC (rev 
7076)
+++ trunk/tp/t/results/value/value_in_node.pl   2016-03-28 13:17:36 UTC (rev 
7077)
@@ -66,6 +66,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -80,6 +81,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -94,6 +96,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -371,6 +374,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -385,6 +389,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -670,6 +675,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             }
@@ -680,6 +686,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -694,6 +701,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -818,10 +826,13 @@
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[0];
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[0];
 $result_trees{'value_in_node'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[1];
+$result_trees{'value_in_node'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[1];
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[1];
 $result_trees{'value_in_node'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[1];
+$result_trees{'value_in_node'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[2];
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[2];
 $result_trees{'value_in_node'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[1];
+$result_trees{'value_in_node'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[3];
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[3];
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[3];
 $result_trees{'value_in_node'}{'contents'}[1]{'args'}[3]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[1];
@@ -873,8 +884,10 @@
 
$result_trees{'value_in_node'}{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[0];
 $result_trees{'value_in_node'}{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[3];
 $result_trees{'value_in_node'}{'contents'}[3]{'args'}[1]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[3];
+$result_trees{'value_in_node'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[2];
 
$result_trees{'value_in_node'}{'contents'}[3]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[2];
 $result_trees{'value_in_node'}{'contents'}[3]{'args'}[2]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[3];
+$result_trees{'value_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'value_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'value_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[3];
 $result_trees{'value_in_node'}{'contents'}[3]{'args'}[3]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[3];
@@ -925,9 +938,12 @@
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[0];
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[0];
 $result_trees{'value_in_node'}{'contents'}[5]{'args'}[0]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[5];
+$result_trees{'value_in_node'}{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[1];
 $result_trees{'value_in_node'}{'contents'}[5]{'args'}[1]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[5];
+$result_trees{'value_in_node'}{'contents'}[5]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[2];
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[2];
 $result_trees{'value_in_node'}{'contents'}[5]{'args'}[2]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[5];
+$result_trees{'value_in_node'}{'contents'}[5]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[3];
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[3];
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[3];
 $result_trees{'value_in_node'}{'contents'}[5]{'args'}[3]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[5];

Modified: trunk/tp/t/results/value/value_node_directions.pl
===================================================================
--- trunk/tp/t/results/value/value_node_directions.pl   2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/value/value_node_directions.pl   2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -66,6 +66,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -80,6 +81,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -94,6 +96,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -241,6 +244,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -255,6 +259,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -269,6 +274,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -403,6 +409,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             }
@@ -413,6 +420,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -427,6 +435,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -538,10 +547,13 @@
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[0];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[0];
 $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[1];
+$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1];
 $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[1];
+$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2];
 $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[1];
+$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3];
 $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[1];
@@ -568,10 +580,13 @@
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[0];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[0];
 $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[3];
+$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1];
 $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[3];
+$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2];
 $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[3];
+$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3];
 $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[3];
@@ -595,9 +610,12 @@
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[0];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[0];
 $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[0]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[5];
+$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[1];
 $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[1]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[5];
+$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2];
 $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[5];
+$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3];
 $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[5];

Modified: trunk/tp/t/results/xml_tests/brace_commands_spaces_end_of_lines.pl
===================================================================
--- trunk/tp/t/results/xml_tests/brace_commands_spaces_end_of_lines.pl  
2016-03-28 12:52:50 UTC (rev 7076)
+++ trunk/tp/t/results/xml_tests/brace_commands_spaces_end_of_lines.pl  
2016-03-28 13:17:36 UTC (rev 7077)
@@ -116,6 +116,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => '
 ',
               'type' => 'empty_spaces_before_argument'
@@ -179,6 +180,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' 
 ',
               'type' => 'empty_spaces_before_argument'
@@ -242,6 +244,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => '
 ',
               'type' => 'empty_spaces_before_argument'
@@ -305,6 +308,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' 
 ',
               'type' => 'empty_spaces_before_argument'
@@ -368,6 +372,7 @@
 $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[5]{'parent'} = 
$result_trees{'brace_commands_spaces_end_of_lines'};
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6];
+$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[0]{'contents'}[0];
@@ -378,6 +383,7 @@
 $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[8]{'parent'} = 
$result_trees{'brace_commands_spaces_end_of_lines'};
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[0]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9];
+$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[0]{'contents'}[0];
@@ -388,6 +394,7 @@
 $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[11]{'parent'} 
= $result_trees{'brace_commands_spaces_end_of_lines'};
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[0]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12];
+$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[0]{'contents'}[0];
@@ -398,6 +405,7 @@
 $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[14]{'parent'} 
= $result_trees{'brace_commands_spaces_end_of_lines'};
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[0]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15];
+$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/xml_tests/commands_and_spaces.pl
===================================================================
--- trunk/tp/t/results/xml_tests/commands_and_spaces.pl 2016-03-28 12:52:50 UTC 
(rev 7076)
+++ trunk/tp/t/results/xml_tests/commands_and_spaces.pl 2016-03-28 13:17:36 UTC 
(rev 7077)
@@ -212,6 +212,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -457,6 +458,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -580,6 +582,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -779,6 +782,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -2277,6 +2281,7 @@
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[2];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[2];
 $result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'commands_and_spaces'}{'contents'}[1];
+$result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3];
 $result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3]{'parent'} = 
$result_trees{'commands_and_spaces'}{'contents'}[1];
@@ -2320,6 +2325,7 @@
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[2];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[2];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[2]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15];
+$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[4];
@@ -2344,6 +2350,7 @@
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[2];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[2];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[2]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18];
+$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[4];
@@ -2383,6 +2390,7 @@
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[0]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23];
+$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23];




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