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branch master updated: * tp/Texinfo/Convert/HTML.pm (_convert_footnote_c


From: Patrice Dumas
Subject: branch master updated: * tp/Texinfo/Convert/HTML.pm (_convert_footnote_command) (_convert_printindex_command): use a different prefix for footnotes in multi expanded environment and indices not in any root element.
Date: Tue, 25 Jan 2022 05:47:56 -0500

This is an automated email from the git hooks/post-receive script.

pertusus pushed a commit to branch master
in repository texinfo.

The following commit(s) were added to refs/heads/master by this push:
     new 3dbaa08446 * tp/Texinfo/Convert/HTML.pm (_convert_footnote_command) 
(_convert_printindex_command): use a different prefix for footnotes in multi 
expanded environment and indices not in any root element.
3dbaa08446 is described below

commit 3dbaa08446f9691e505e23b4359af4c386e97036
Author: Patrice Dumas <pertusus@free.fr>
AuthorDate: Tue Jan 25 11:47:34 2022 +0100

    * tp/Texinfo/Convert/HTML.pm (_convert_footnote_command)
    (_convert_printindex_command): use a different prefix for
    footnotes in multi expanded environment and indices not in
    any root element.
    
    * tp/Texinfo/Convert/HTML.pm (special_direction_element): rename
    special_direction() as special_direction_element().
---
 ChangeLog                                          |  10 +
 tp/TODO                                            |  18 +-
 tp/Texinfo/Convert/HTML.pm                         |  40 ++-
 .../results/converters_tests/at_commands_in_raw.pl |   6 +-
 .../printindex_merged_indices_code_style.pl        |  24 +-
 .../coverage/punctuation_in_line_commands.pl       |   6 +-
 tp/t/results/float/complex_float.pl                |   4 +-
 tp/t/results/float/float_copying.pl                |   4 +-
 tp/t/results/float/footnote_in_caption.pl          |   4 +-
 .../results/float/footnote_in_caption_and_error.pl |   4 +-
 .../float_copying/res_html/Copying-and-floats.html |   2 +-
 .../float_copying/res_html/float_copying_fot.html  |   2 +-
 tp/t/results/indices/def_syn_indices.pl            |  36 +--
 ...default_cp_index_and_one_letter_syncodeindex.pl |   6 +-
 tp/t/results/indices/double_index_entry.pl         |   6 +-
 tp/t/results/indices/double_syncodeindex.pl        |  12 +-
 tp/t/results/indices/explicit_sort_key.pl          |  18 +-
 tp/t/results/indices/ftable_vtable.pl              |  12 +-
 tp/t/results/indices/image_lines_count.pl          |   6 +-
 tp/t/results/indices/image_text_lines_count.pl     |   6 +-
 tp/t/results/indices/index_entries_locations.pl    |  12 +-
 .../indices/index_entry_before_first_node.pl       |   6 +-
 tp/t/results/indices/index_entry_before_node.pl    |   6 +-
 tp/t/results/indices/index_entry_in_footnote.pl    |   6 +-
 .../index_entry_in_footnote_different_node_end.pl  |  12 +-
 .../indices/index_entry_in_footnote_separate.pl    |  12 +-
 .../indices/printindex_index_entry_in_copying.pl   |  54 ++--
 ...rintindex_index_entry_in_copying_in_footnote.pl |  12 +-
 ...ndex_index_entry_in_copying_no_insertcopying.pl |  18 +-
 .../indices/printindex_with_space_before.pl        |   6 +-
 .../indices/same_index_entry_merged_indices.pl     |   6 +-
 tp/t/results/indices/seealso_duplicate.pl          |   6 +-
 tp/t/results/indices/subentries.pl                 |  30 +-
 tp/t/results/indices/subentry_and_sortas.pl        |  12 +-
 tp/t/results/indices/syncode_index_print_both.pl   |  12 +-
 tp/t/results/indices/syncodeindex_to_plain.pl      |  12 +-
 tp/t/results/indices/transparent_sort_chars.pl     |  12 +-
 tp/t/results/indices/w_lines_count.pl              |   6 +-
 .../misc_commands/comment_space_command_on_line.pl |   6 +-
 tp/t/results/morecoverage/formatting_fr.pl         |  96 +++---
 tp/t/results/morecoverage/texi_formatting.pl       |  96 +++---
 .../res_html/double_index_entry.html               |   6 +-
 .../nodes_before_top_no_nodes/res_html/index.html  | 330 ++++++++++-----------
 .../res_parser/index_nodes/index_nodes.html        | 156 +++++-----
 .../res_parser/index_one_node/index_one_node.html  |  12 +-
 45 files changed, 588 insertions(+), 580 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 94b313d960..e5ab3e0a0a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2022-01-25  Patrice Dumas  <pertusus@free.fr>
+
+       * tp/Texinfo/Convert/HTML.pm (_convert_footnote_command)
+       (_convert_printindex_command): use a different prefix for
+       footnotes in multi expanded environment and indices not in
+       any root element.
+
+       * tp/Texinfo/Convert/HTML.pm (special_direction_element): rename
+       special_direction() as special_direction_element().
+
 2022-01-25  Patrice Dumas  <pertusus@free.fr>
 
        Footnotes registering and link to location in document API
diff --git a/tp/TODO b/tp/TODO
index c05c93c30a..ca0ef0c891 100644
--- a/tp/TODO
+++ b/tp/TODO
@@ -13,20 +13,6 @@ xmllint --nonet --noout --valid commands.xml
 Before next release
 ===================
 
-In _html_get_tree_root_element:
-         if ($current->{'cmdname'} eq 'footnote'
-           and $self->special_element('Footnotes')
-           and $find_container) {
-           # in that case there is no root_command
-          #print STDERR "SPECIAL footnote\n" if ($debug);
-          $root_element = $self->special_element('Footnotes');
-          return ($root_element);
-This means that even if the current footnotestyle is 'end' all the footnotes
-are assumed to be in the seprate element (which is setup early on if
-footnotestyle is 'separate' at the end of the document).
-
-s/special_element(/special_direction_element(/
-
 Bugs
 ====
 
@@ -48,9 +34,7 @@ Some private variables/private state used in conversion
   $self->{'explained_commands'}
   $self->{'element_explanation_contents'}
  _convert_footnote_command:
-  $foot_num, $foot_lines, $NO_NUMBER_FOOTNOTE_SYMBOL, $target_prefix, 
%footnote_id_numbers
- _default_format_special_element_body
-  $foot_lines
+  $foot_num, $NO_NUMBER_FOOTNOTE_SYMBOL, %footnote_id_numbers
  _contents_inline_element
   %contents_command_element_type
  _convert_preformatted_command
diff --git a/tp/Texinfo/Convert/HTML.pm b/tp/Texinfo/Convert/HTML.pm
index b84f783c8f..a53c31b1c9 100644
--- a/tp/Texinfo/Convert/HTML.pm
+++ b/tp/Texinfo/Convert/HTML.pm
@@ -849,9 +849,11 @@ sub command_contents_href($$$;$)
     = $contents_command_element_type{$contents_or_shortcontents};
   my $special_element_direction
        = 
$self->get_conf('SPECIAL_ELEMENTS_DIRECTIONS')->{$special_element_type};
-  my $target = $self->command_contents_target($command, 
$contents_or_shortcontents);
+  my $target
+    = $self->command_contents_target($command, $contents_or_shortcontents);
 
-  my $target_element = $self->special_element($special_element_direction);
+  my $target_element
+    = $self->special_direction_element($special_element_direction);
   my $target_filename;
   # !defined happens when called as convert() and not output()
   if (defined($target_element)) {
@@ -1078,7 +1080,7 @@ sub label_command($$)
   return undef;
 }
 
-sub special_element($$)
+sub special_direction_element($$)
 {
   my $self = shift;
   my $direction = shift;
@@ -1230,8 +1232,8 @@ sub from_element_direction($$$;$$)
       }
       $target = $self->{'targets'}->{$command} if ($command);
     }
-  } elsif ($self->special_element($direction)) {
-    $target_element = $self->special_element($direction);
+  } elsif ($self->special_direction_element($direction)) {
+    $target_element = $self->special_direction_element($direction);
     $command = $target_element;
     if ($type eq 'href') {
       return $self->command_href($target_element, $source_filename);
@@ -1895,10 +1897,12 @@ sub _translate_names($)
   foreach my $special_element_type (keys (%SPECIAL_ELEMENTS_HEADING)) {
     my $special_element_direction
        = 
$self->get_conf('SPECIAL_ELEMENTS_DIRECTIONS')->{$special_element_type};
-    if ($self->special_element($special_element_direction) and
-        
$self->{'targets'}->{$self->special_element($special_element_direction)}) {
+    my $special_element
+       = $self->special_direction_element($special_element_direction);
+    if ($special_element and
+        $self->{'targets'}->{$special_element}) {
       my $target
-        = 
$self->{'targets'}->{$self->special_element($special_element_direction)};
+        = $self->{'targets'}->{$special_element};
       foreach my $key ('text', 'string', 'tree') {
         delete $target->{$key};
       }
@@ -2645,8 +2649,6 @@ $default_commands_conversion{'anchor'} = 
\&_convert_anchor_command;
 my $foot_num;
 my $NO_NUMBER_FOOTNOTE_SYMBOL = '*';
 
-# to avoid duplicate names, use a prefix that cannot happen in anchors
-my $target_prefix = "t_h";
 my %footnote_id_numbers;
 sub _convert_footnote_command($$$$)
 {
@@ -2686,6 +2688,8 @@ sub _convert_footnote_command($$$$)
   my $multiple_expanded_footnote = 0;
   my $multi_expanded_region = $self->in_multi_expanded();
   if (defined($multi_expanded_region)) {
+    # to avoid duplicate names, use a prefix that cannot happen in anchors
+    my $target_prefix = "t_f";
     $footid = $target_prefix.$multi_expanded_region.'_'.$footid.'_'.$foot_num;
     $docid = $target_prefix.$multi_expanded_region.'_'.$docid.'_'.$foot_num;
   } else {
@@ -4821,6 +4825,8 @@ sub _convert_printindex_command($$$$)
     my $letter = $letter_entry->{'letter'};
     my $index_element_id = $self->from_element_direction('This', 'target');
     if (!defined($index_element_id)) {
+      # to avoid duplicate names, use a prefix that cannot happen in anchors
+      my $target_prefix = "t_i";
       $index_element_id = $target_prefix;
     }
     my $is_symbol = $letter !~ /^[[:alpha:]]/;
@@ -4974,7 +4980,7 @@ sub _contents_inline_element($$$)
     my $special_element_direction
       = 
$self->get_conf('SPECIAL_ELEMENTS_DIRECTIONS')->{$special_element_type};
     my $special_element
-      = $self->special_element($special_element_direction);
+      = $self->special_direction_element($special_element_direction);
     my $class = 
$self->get_conf('SPECIAL_ELEMENTS_CLASS')->{$special_element_type};
     # FIXME is element- the best prefix?
     my $result = $self->html_attribute_class('div', ["element-${class}"]);
@@ -7345,11 +7351,11 @@ sub _html_get_tree_root_element($$;$)
                                                   or defined($root_command));
         return (undef, undef);
       } elsif ($current->{'cmdname'} eq 'footnote' 
-               and $self->special_element('Footnotes')
+               and $self->special_direction_element('Footnotes')
                and $find_container) {
          # in that case there is no root_command
          #print STDERR "SPECIAL footnote\n" if ($debug);
-         $root_element = $self->special_element('Footnotes');
+         $root_element = $self->special_direction_element('Footnotes');
          return ($root_element);
       }
     }
@@ -7544,6 +7550,14 @@ sub _prepare_conversion_tree_units($$$$)
   $self->set_global_document_commands('last', \@conf_for_special_elements);
   # Do that before the other elements, to be sure that special page ids
   # are registered before elements id are.
+  # NOTE if the last value of footnotestyle is separate, all the footnotes
+  # formatted text are set to the special element set in 
_prepare_special_elements
+  # as _html_get_tree_root_element uses the Footnote direction for every 
footnote.
+  # Therefore if @footnotestyle separate is set late in the document the 
current
+  # value may not be consistent with the link obtained for the footnote
+  # formatted text.  This is not an issue, as the manual says that
+  # @footnotestyle should only appear in the preamble, and it makes sense
+  # to have something consistent in the whole document for footnotes position.
   my $special_elements
     = $self->_prepare_special_elements($tree_units, $destination_directory,
                                        $document_name);
diff --git a/tp/t/results/converters_tests/at_commands_in_raw.pl 
b/tp/t/results/converters_tests/at_commands_in_raw.pl
index 030cb0998c..4c89cea6c7 100644
--- a/tp/t/results/converters_tests/at_commands_in_raw.pl
+++ b/tp/t/results/converters_tests/at_commands_in_raw.pl
@@ -1223,17 +1223,17 @@ $result_converted{'html_text'}->{'at_commands_in_raw'} 
= '<h1 class="node" id="T
 <p> newidx entry
 </p>
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-F"><b>F</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-fentry2"><code>fentry2</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-F"><b>F</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git 
a/tp/t/results/converters_tests/printindex_merged_indices_code_style.pl 
b/tp/t/results/converters_tests/printindex_merged_indices_code_style.pl
index 17f615439b..ccff060663 100644
--- a/tp/t/results/converters_tests/printindex_merged_indices_code_style.pl
+++ b/tp/t/results/converters_tests/printindex_merged_indices_code_style.pl
@@ -795,39 +795,39 @@ 
$result_converted{'html_text'}->{'printindex_merged_indices_code_style'} = '<h1
 <a class="index-entry-id" id="index-ddi_0060_0060g"></a>
 
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-C"><b>C</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-D"><b>D</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-D"><b>D</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-V"><b>V</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-V"><b>V</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-C">C</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-c_0060_0060b">c&ldquo;b</a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-cdi_0060_0060h">cdi&ldquo;h</a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-D">D</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-ddi_0060_0060g"><code>ddi``g</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-f_0060_0060g"><code>f``g</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-V">V</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-V">V</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-v_0060_0060j">v&ldquo;j</a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-C"><b>C</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-D"><b>D</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-D"><b>D</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-V"><b>V</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-V"><b>V</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/coverage/punctuation_in_line_commands.pl 
b/tp/t/results/coverage/punctuation_in_line_commands.pl
index 09bccfdcfe..cd4d98d20a 100644
--- a/tp/t/results/coverage/punctuation_in_line_commands.pl
+++ b/tp/t/results/coverage/punctuation_in_line_commands.pl
@@ -1224,17 +1224,17 @@ 
$result_converted{'html_text'}->{'punctuation_in_line_commands'} = '
 <div class="center">center! After punc
 </div>
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-I"><b>I</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-I">I</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-index_0021-After-punc">index! 
After punc</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#node_0021-After-punc">node! After punc</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-I"><b>I</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/float/complex_float.pl 
b/tp/t/results/float/complex_float.pl
index e3a47937a2..b0886ce069 100644
--- a/tp/t/results/float/complex_float.pl
+++ b/tp/t/results/float/complex_float.pl
@@ -4920,7 +4920,7 @@ line
 <p>A ref 2.
 See <a class="xref" href="#Top">xref Text with features caption</a>.
 A footnote 2.
-<a class="footnote" id="t_hlistoffloats_DOCF3_1" 
href="#t_hlistoffloats_FOOT3_1"><sup>1</sup></a>.
+<a class="footnote" id="t_flistoffloats_DOCF3_1" 
href="#t_flistoffloats_FOOT3_1"><sup>1</sup></a>.
 </p>
 <p>TeX and <em class="emph"><b class="b">t&eacute;&icirc;</b><a class="url" 
href="an_url">an_url</a></em> <small class="sc">AND</small> <tt class="verb">it 
is @verb</tt> &nbsp;a word !@ &AElig;.
 </p></dd>
@@ -5056,7 +5056,7 @@ A footnote 2.
 <hr>
 <h4 class="footnotes-heading">Footnotes</h4>
 
-<h5><a id="t_hlistoffloats_FOOT3_1" 
href="#t_hlistoffloats_DOCF3_1">(1)</a></h5>
+<h5><a id="t_flistoffloats_FOOT3_1" 
href="#t_flistoffloats_DOCF3_1">(1)</a></h5>
 <p>footnote Text with features caption 2</p>
 <h5><a id="FOOT1" href="#DOCF1">(2)</a></h5>
 <p>footnote Text with features</p>
diff --git a/tp/t/results/float/float_copying.pl 
b/tp/t/results/float/float_copying.pl
index cfe8ad264b..3b38ef022b 100644
--- a/tp/t/results/float/float_copying.pl
+++ b/tp/t/results/float/float_copying.pl
@@ -1679,7 +1679,7 @@ the author abandon his copyright.
 <a class="index-entry-id" id="index-copying-indexed-caption-function"></a>
 </div></div>
 <dl class="listoffloats">
-<dt><a href="#public-domain">Copyright notice 1</a></dt><dd 
class="caption-in-listoffloats"><p>The Public Domain notice<a class="footnote" 
id="t_hlistoffloats_DOCF1_4" href="#t_hlistoffloats_FOOT1_4"><sup>4</sup></a>
+<dt><a href="#public-domain">Copyright notice 1</a></dt><dd 
class="caption-in-listoffloats"><p>The Public Domain notice<a class="footnote" 
id="t_flistoffloats_DOCF1_4" href="#t_flistoffloats_FOOT1_4"><sup>4</sup></a>
 </p>
 </dd>
 </dl>
@@ -1752,7 +1752,7 @@ the author abandon his copyright.
 
 <p>see <a class="ref" href="#Copying-and-floats">Copying and floats</a>.
 </p>
-<h5><a id="t_hlistoffloats_FOOT1_4" 
href="#t_hlistoffloats_DOCF1_4">(4)</a></h5>
+<h5><a id="t_flistoffloats_FOOT1_4" 
href="#t_flistoffloats_DOCF1_4">(4)</a></h5>
 <p>The caption copying footnote
 </p>
 
diff --git a/tp/t/results/float/footnote_in_caption.pl 
b/tp/t/results/float/footnote_in_caption.pl
index da993554bb..59c9f4ca31 100644
--- a/tp/t/results/float/footnote_in_caption.pl
+++ b/tp/t/results/float/footnote_in_caption.pl
@@ -443,7 +443,7 @@ $result_converted{'html'}->{'footnote_in_caption'} = 
'<!DOCTYPE html>
 <h1 class="node" id="Top">Top</h1>
 
 <dl class="listoffloats">
-<dt><a href="#label">fl 1</a></dt><dd class="caption-in-listoffloats"><p>in 
caption<a class="footnote" id="t_hlistoffloats_DOCF1_1" 
href="#t_hlistoffloats_FOOT1_1"><sup>1</sup></a></p></dd>
+<dt><a href="#label">fl 1</a></dt><dd class="caption-in-listoffloats"><p>in 
caption<a class="footnote" id="t_flistoffloats_DOCF1_1" 
href="#t_flistoffloats_FOOT1_1"><sup>1</sup></a></p></dd>
 </dl>
 
 <div class="float" id="label">
@@ -453,7 +453,7 @@ $result_converted{'html'}->{'footnote_in_caption'} = 
'<!DOCTYPE html>
 <hr>
 <h4 class="footnotes-heading">Footnotes</h4>
 
-<h5><a id="t_hlistoffloats_FOOT1_1" 
href="#t_hlistoffloats_DOCF1_1">(1)</a></h5>
+<h5><a id="t_flistoffloats_FOOT1_1" 
href="#t_flistoffloats_DOCF1_1">(1)</a></h5>
 <p>in footnote</p>
 <h5><a id="FOOT1" href="#DOCF1">(2)</a></h5>
 <p>in footnote</p>
diff --git a/tp/t/results/float/footnote_in_caption_and_error.pl 
b/tp/t/results/float/footnote_in_caption_and_error.pl
index 97dac1caf0..34eb46ecf5 100644
--- a/tp/t/results/float/footnote_in_caption_and_error.pl
+++ b/tp/t/results/float/footnote_in_caption_and_error.pl
@@ -430,7 +430,7 @@ 
$result_converted{'html'}->{'footnote_in_caption_and_error'} = '<!DOCTYPE html>
 <h1 class="node" id="Top">Top</h1>
 
 <dl class="listoffloats">
-<dt><a href="#label">fl 1</a></dt><dd class="caption-in-listoffloats"><p>in 
caption<a class="footnote" id="t_hlistoffloats_DOCF1_1" 
href="#t_hlistoffloats_FOOT1_1"><sup>1</sup></a></p></dd>
+<dt><a href="#label">fl 1</a></dt><dd class="caption-in-listoffloats"><p>in 
caption<a class="footnote" id="t_flistoffloats_DOCF1_1" 
href="#t_flistoffloats_FOOT1_1"><sup>1</sup></a></p></dd>
 </dl>
 
 <div class="float" id="label">
@@ -440,7 +440,7 @@ 
$result_converted{'html'}->{'footnote_in_caption_and_error'} = '<!DOCTYPE html>
 <hr>
 <h4 class="footnotes-heading">Footnotes</h4>
 
-<h5><a id="t_hlistoffloats_FOOT1_1" 
href="#t_hlistoffloats_DOCF1_1">(1)</a></h5>
+<h5><a id="t_flistoffloats_FOOT1_1" 
href="#t_flistoffloats_DOCF1_1">(1)</a></h5>
 <p>in footnote error&rarr;</p>
 <h5><a id="FOOT1" href="#DOCF1">(2)</a></h5>
 <p>in footnote error&rarr;</p>
diff --git 
a/tp/t/results/formatting/float_copying/res_html/Copying-and-floats.html 
b/tp/t/results/formatting/float_copying/res_html/Copying-and-floats.html
index 72aeb118f8..902ecbdb4d 100644
--- a/tp/t/results/formatting/float_copying/res_html/Copying-and-floats.html
+++ b/tp/t/results/formatting/float_copying/res_html/Copying-and-floats.html
@@ -79,7 +79,7 @@ the author abandon his copyright.
 </div></div>
 <h3 class="subheading" id="listoffloats">listoffloats</h3>
 <dl class="listoffloats">
-<dt><a href="index.html#public-domain">Copyright notice 1</a></dt><dd 
class="caption-in-listoffloats"><p>The Public Domain notice<a class="footnote" 
id="t_hlistoffloats_DOCF1_4" 
href="float_copying_fot.html#t_hlistoffloats_FOOT1_4"><sup>4</sup></a>
+<dt><a href="index.html#public-domain">Copyright notice 1</a></dt><dd 
class="caption-in-listoffloats"><p>The Public Domain notice<a class="footnote" 
id="t_flistoffloats_DOCF1_4" 
href="float_copying_fot.html#t_flistoffloats_FOOT1_4"><sup>4</sup></a>
 </p>
 </dd>
 </dl>
diff --git 
a/tp/t/results/formatting/float_copying/res_html/float_copying_fot.html 
b/tp/t/results/formatting/float_copying/res_html/float_copying_fot.html
index 77d5c282bd..88488b41bc 100644
--- a/tp/t/results/formatting/float_copying/res_html/float_copying_fot.html
+++ b/tp/t/results/formatting/float_copying/res_html/float_copying_fot.html
@@ -61,7 +61,7 @@ span.program-in-footer {font-size: smaller}
 
 <p>see <a class="ref" href="#Copying-and-floats">Copying and floats</a>.
 </p>
-<h5><a id="t_hlistoffloats_FOOT1_4" 
href="Copying-and-floats.html#t_hlistoffloats_DOCF1_4">(4)</a></h5>
+<h5><a id="t_flistoffloats_FOOT1_4" 
href="Copying-and-floats.html#t_flistoffloats_DOCF1_4">(4)</a></h5>
 <p>The caption copying footnote
 </p>
 
diff --git a/tp/t/results/indices/def_syn_indices.pl 
b/tp/t/results/indices/def_syn_indices.pl
index f44cdc6dca..c868d3e64e 100644
--- a/tp/t/results/indices/def_syn_indices.pl
+++ b/tp/t/results/indices/def_syn_indices.pl
@@ -2089,38 +2089,38 @@ after
 
 <p>pg
 </p><div class="printindex pg-printindex">
-<table class="pg-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_pg_letter-A"><b>A</b></a>
+<table class="pg-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_pg_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_pg_letter-D"><b>D</b></a>
+<a class="summary-letter-printindex" href="#t_i_pg_letter-D"><b>D</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_pg_letter-P"><b>P</b></a>
+<a class="summary-letter-printindex" href="#t_i_pg_letter-P"><b>P</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_pg_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_pg_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="pg-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_pg_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_pg_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-abc-index-entry">abc index 
entry</a>:</td><td>&nbsp;</td><td valign="top"><a href="#Chapter-index">Chapter 
index</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_pg_letter-D">D</th><td></td><td></td></tr>
+<tr><th id="t_i_pg_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-defg-index-entry">defg index 
entry</a>:</td><td>&nbsp;</td><td valign="top"><a href="#Chapter-index">Chapter 
index</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_pg_letter-P">P</th><td></td><td></td></tr>
+<tr><th id="t_i_pg_letter-P">P</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-pindex-codeidx"><code>pindex 
codeidx</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Chapter-index">Chapter index</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_pg_letter-T">T</th><td></td><td></td></tr>
+<tr><th id="t_i_pg_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-truc-kindex"><code>truc 
kindex</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Chapter-index">Chapter index</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="pg-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_pg_letter-A"><b>A</b></a>
+<table class="pg-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_pg_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_pg_letter-D"><b>D</b></a>
+<a class="summary-letter-printindex" href="#t_i_pg_letter-D"><b>D</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_pg_letter-P"><b>P</b></a>
+<a class="summary-letter-printindex" href="#t_i_pg_letter-P"><b>P</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_pg_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_pg_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -2141,24 +2141,24 @@ after
 </p>
 <p>fn
 </p><div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-C"><b>C</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-I"><b>I</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-C">C</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-cindex-entry"><code>cindex 
entry</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Chapter-index">Chapter index</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-I">I</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-index-truc">index 
truc</a>:</td><td>&nbsp;</td><td valign="top"><a href="#Chapter-index">Chapter 
index</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-C"><b>C</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-I"><b>I</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git 
a/tp/t/results/indices/default_cp_index_and_one_letter_syncodeindex.pl 
b/tp/t/results/indices/default_cp_index_and_one_letter_syncodeindex.pl
index 64dc3c2090..4df3a1068b 100644
--- a/tp/t/results/indices/default_cp_index_and_one_letter_syncodeindex.pl
+++ b/tp/t/results/indices/default_cp_index_and_one_letter_syncodeindex.pl
@@ -392,17 +392,17 @@ 
$result_converted{'html_text'}->{'default_cp_index_and_one_letter_syncodeindex'}
 <a class="index-entry-id" id="index-_002d_002dcpindex"></a>
 
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_symbol-1"><b>-</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_symbol-1"><b>-</b></a>
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_symbol-1">-</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_002d_002dcindex"><code>--cindex</code></a>:</td><td>&nbsp;</td><td
 valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_002d_002dcpindex"><code>--cpindex</code></a>:</td><td>&nbsp;</td><td
 valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_symbol-1"><b>-</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_symbol-1"><b>-</b></a>
 </td></tr></table>
 </div>
 ';
diff --git a/tp/t/results/indices/double_index_entry.pl 
b/tp/t/results/indices/double_index_entry.pl
index e6aaf4a292..d1385c108f 100644
--- a/tp/t/results/indices/double_index_entry.pl
+++ b/tp/t/results/indices/double_index_entry.pl
@@ -689,19 +689,19 @@ $result_converted{'html_text'}->{'double_index_entry'} = 
'<a class="node-id" id=
 <a class="index-entry-id" id="index-aaa-2"></a>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-A"><b>A</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-aaa">aaa</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-aaa-1">aaa</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-aaa-2">aaa</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#other-node">other node</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-A"><b>A</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/double_syncodeindex.pl 
b/tp/t/results/indices/double_syncodeindex.pl
index 91af5a41ce..bddaf4e81b 100644
--- a/tp/t/results/indices/double_syncodeindex.pl
+++ b/tp/t/results/indices/double_syncodeindex.pl
@@ -474,24 +474,24 @@ $result_converted{'html_text'}->{'double_syncodeindex'} = 
'
 <a class="index-entry-id" id="index-findex-entry"></a>
 
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-C"><b>C</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-C">C</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-cindex-entry"><code>cindex 
entry</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-findex-entry"><code>findex 
entry</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-C"><b>C</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/explicit_sort_key.pl 
b/tp/t/results/indices/explicit_sort_key.pl
index d4536b0582..65eb37ad45 100644
--- a/tp/t/results/indices/explicit_sort_key.pl
+++ b/tp/t/results/indices/explicit_sort_key.pl
@@ -1028,34 +1028,34 @@ $result_converted{'html_text'}->{'explicit_sort_key'} = 
'<div class="top-level-e
 <a class="url" href="and cmd">and cmd</a>.
 </p>
 <div class="printindex SK-printindex">
-<table class="SK-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_SK_symbol-1"><b>0</b></a>
+<table class="SK-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_SK_symbol-1"><b>0</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_SK_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_SK_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_SK_letter-B"><b>B</b></a>
+<a class="summary-letter-printindex" href="#t_i_SK_letter-B"><b>B</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="SK-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_SK_symbol-1">0</th><td></td><td></td></tr>
+<tr><th id="t_i_SK_symbol-1">0</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-zero-sort-key">zero sort 
key</a>:</td><td>&nbsp;</td><td valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_SK_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_SK_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-bbbbbbb-_0028first_0029">bbbbbbb 
(first)</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a href="#index-aaa"><b 
class="b">aaa</b></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_SK_letter-B">B</th><td></td><td></td></tr>
+<tr><th id="t_i_SK_letter-B">B</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-aaaaaaa-_0028second_0029">aaaaaaa 
(second)</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="SK-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_SK_symbol-1"><b>0</b></a>
+<table class="SK-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_SK_symbol-1"><b>0</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_SK_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_SK_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_SK_letter-B"><b>B</b></a>
+<a class="summary-letter-printindex" href="#t_i_SK_letter-B"><b>B</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/ftable_vtable.pl 
b/tp/t/results/indices/ftable_vtable.pl
index 9aa59da4ca..c045e6e487 100644
--- a/tp/t/results/indices/ftable_vtable.pl
+++ b/tp/t/results/indices/ftable_vtable.pl
@@ -966,38 +966,38 @@ $result_converted{'html_text'}->{'ftable_vtable'} = '<h1 
class="node" id="Top">T
 <a class="index-entry-id" id="index-function1-1"></a>
 
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-F"><b>F</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-fun3"><code>fun3</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-function1"><code>function1</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-function1-1"><code>function1</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-function2x"><code>function2x</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-F"><b>F</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
 
 <div class="printindex vr-printindex">
-<table class="vr-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_vr_letter-V"><b>V</b></a>
+<table class="vr-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_vr_letter-V"><b>V</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="vr-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_vr_letter-V">V</th><td></td><td></td></tr>
+<tr><th id="t_i_vr_letter-V">V</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-var1-error_002d_002d_003e"><code>var1 
error&rarr;</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-var3"><code>var3</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-varx2"><code>varx2</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="vr-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_vr_letter-V"><b>V</b></a>
+<table class="vr-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_vr_letter-V"><b>V</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/image_lines_count.pl 
b/tp/t/results/indices/image_lines_count.pl
index 7c15a64702..bc8b69bee4 100644
--- a/tp/t/results/indices/image_lines_count.pl
+++ b/tp/t/results/indices/image_lines_count.pl
@@ -310,17 +310,17 @@ $result_converted{'html_text'}->{'image_lines_count'} = 
'<h1 class="node" id="To
 <a class="index-entry-id" id="index-index-entry"></a>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-I"><b>I</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-I">I</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-index-entry">index 
entry</a>:</td><td>&nbsp;</td><td valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-I"><b>I</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/image_text_lines_count.pl 
b/tp/t/results/indices/image_text_lines_count.pl
index 26fd659b24..4779f21b46 100644
--- a/tp/t/results/indices/image_text_lines_count.pl
+++ b/tp/t/results/indices/image_text_lines_count.pl
@@ -309,17 +309,17 @@ 
$result_converted{'html_text'}->{'image_text_lines_count'} = '<h1 class="node" i
 <a class="index-entry-id" id="index-index-entry"></a>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-I"><b>I</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-I">I</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-index-entry">index 
entry</a>:</td><td>&nbsp;</td><td valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-I"><b>I</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/index_entries_locations.pl 
b/tp/t/results/indices/index_entries_locations.pl
index b8ac105433..16f5914537 100644
--- a/tp/t/results/indices/index_entries_locations.pl
+++ b/tp/t/results/indices/index_entries_locations.pl
@@ -579,26 +579,26 @@ end paragraph.
 <p>Last paragraph.
 </p>
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-E"><b>E</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-L"><b>L</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-L"><b>L</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-E">E</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-E">E</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-entry-at-end-of-paragraph_002e">entry at end of 
paragraph.</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a href="#index-Entry-before-paragraph">Entry 
before paragraph</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-paragraph">entry in 
paragraph</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-L">L</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-L">L</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-lone-entry">lone 
entry</a>:</td><td>&nbsp;</td><td valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-E"><b>E</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-L"><b>L</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-L"><b>L</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/index_entry_before_first_node.pl 
b/tp/t/results/indices/index_entry_before_first_node.pl
index bd38d29390..c0adf27475 100644
--- a/tp/t/results/indices/index_entry_before_first_node.pl
+++ b/tp/t/results/indices/index_entry_before_first_node.pl
@@ -295,17 +295,17 @@ 
$result_converted{'html_text'}->{'index_entry_before_first_node'} = '<a class="i
 <h1 class="node" id="Top">Top</h1>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-B"><b>B</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-B"><b>B</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-B">B</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-B">B</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-before-nodes">before 
nodes</a>:</td><td>&nbsp;</td><td valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-B"><b>B</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-B"><b>B</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/index_entry_before_node.pl 
b/tp/t/results/indices/index_entry_before_node.pl
index 6f72d145cc..9fe5e24c58 100644
--- a/tp/t/results/indices/index_entry_before_node.pl
+++ b/tp/t/results/indices/index_entry_before_node.pl
@@ -785,17 +785,17 @@ 
$result_converted{'html_text'}->{'index_entry_before_node'} = '<a class="node-id
 <h4 class="node">second</h4>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-L"><b>L</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-L"><b>L</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-L">L</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-L">L</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-lone-entry">lone 
entry</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#first">first</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-L"><b>L</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-L"><b>L</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/index_entry_in_footnote.pl 
b/tp/t/results/indices/index_entry_in_footnote.pl
index 93d207fd55..64da3b0f3d 100644
--- a/tp/t/results/indices/index_entry_in_footnote.pl
+++ b/tp/t/results/indices/index_entry_in_footnote.pl
@@ -313,17 +313,17 @@ 
$result_converted{'html_text'}->{'index_entry_in_footnote'} = '<h1 class="node"
 <p>Top node<a class="footnote" id="DOCF1" href="#FOOT1"><sup>1</sup></a>
 </p>
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-I"><b>I</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-I">I</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-index-entry-in-footnote">index 
entry in footnote</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-I"><b>I</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/index_entry_in_footnote_different_node_end.pl 
b/tp/t/results/indices/index_entry_in_footnote_different_node_end.pl
index bc324a9c9c..32f55a3b42 100644
--- a/tp/t/results/indices/index_entry_in_footnote_different_node_end.pl
+++ b/tp/t/results/indices/index_entry_in_footnote_different_node_end.pl
@@ -679,24 +679,24 @@ 
$result_converted{'html_text'}->{'index_entry_in_footnote_different_node_end'} =
 <h4 class="node">First</h4>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-C"><b>C</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-I"><b>I</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-C">C</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-counting-entry">counting 
entry</a>:</td><td>&nbsp;</td><td valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-I">I</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-index-entry-in-footnote">index 
entry in footnote</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-C"><b>C</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-I"><b>I</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/index_entry_in_footnote_separate.pl 
b/tp/t/results/indices/index_entry_in_footnote_separate.pl
index f2339a5bce..1fb91935aa 100644
--- a/tp/t/results/indices/index_entry_in_footnote_separate.pl
+++ b/tp/t/results/indices/index_entry_in_footnote_separate.pl
@@ -715,24 +715,24 @@ 
$result_converted{'html_text'}->{'index_entry_in_footnote_separate'} = '<a class
 <h4 class="node">First</h4>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-C"><b>C</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-I"><b>I</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-C">C</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-counting-entry">counting 
entry</a>:</td><td>&nbsp;</td><td valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-I">I</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-index-entry-in-footnote">index 
entry in footnote</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-C"><b>C</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-I"><b>I</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/printindex_index_entry_in_copying.pl 
b/tp/t/results/indices/printindex_index_entry_in_copying.pl
index 1636184103..d6ca006bf9 100644
--- a/tp/t/results/indices/printindex_index_entry_in_copying.pl
+++ b/tp/t/results/indices/printindex_index_entry_in_copying.pl
@@ -1441,33 +1441,33 @@ 
$result_converted{'html_text'}->{'printindex_index_entry_in_copying'} = '
 </dl>
 
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-C"><b>C</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-X"><b>X</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-X"><b>X</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-C">C</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-Copying-this-document"><code>Copying this 
document</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-ftable-item"><code>ftable 
item</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-fun"><code>fun</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-X">X</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-X">X</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-xf"><code>xf</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-xftable-xitem"><code>xftable 
xitem</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-C"><b>C</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-X"><b>X</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-X"><b>X</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -1500,66 +1500,66 @@ 
$result_converted{'html_text'}->{'printindex_index_entry_in_copying'} = '
 </dl>
 
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-C"><b>C</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-X"><b>X</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-X"><b>X</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-C">C</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-Copying-this-document"><code>Copying this 
document</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-ftable-item"><code>ftable 
item</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-fun"><code>fun</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-X">X</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-X">X</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-xf"><code>xf</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-xftable-xitem"><code>xftable 
xitem</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-C"><b>C</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-X"><b>X</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-X"><b>X</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
 
 
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-C"><b>C</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-X"><b>X</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-X"><b>X</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-C">C</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-Copying-this-document"><code>Copying this 
document</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-ftable-item"><code>ftable 
item</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-fun"><code>fun</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-X">X</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-X">X</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-xf"><code>xf</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-xftable-xitem"><code>xftable 
xitem</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-C"><b>C</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-X"><b>X</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-X"><b>X</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git 
a/tp/t/results/indices/printindex_index_entry_in_copying_in_footnote.pl 
b/tp/t/results/indices/printindex_index_entry_in_copying_in_footnote.pl
index 7aee55b8b1..b2adc19301 100644
--- a/tp/t/results/indices/printindex_index_entry_in_copying_in_footnote.pl
+++ b/tp/t/results/indices/printindex_index_entry_in_copying_in_footnote.pl
@@ -909,17 +909,17 @@ 
$result_converted{'html_text'}->{'printindex_index_entry_in_copying_in_footnote'
 <p>Copying<a class="footnote" id="DOCF1" href="#FOOT1"><sup>1</sup></a>.
 </p>
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-C"><b>C</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-C"><b>C</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-C">C</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-Copying-this-document">Copying this 
document</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-C"><b>C</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-C"><b>C</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -941,17 +941,17 @@ 
$result_converted{'html_text'}->{'printindex_index_entry_in_copying_in_footnote'
 <p>Copying<a class="footnote" id="DOCF1_2" href="#FOOT1_2"><sup>2</sup></a>.
 </p>
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-C"><b>C</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-C"><b>C</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-C">C</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-Copying-this-document">Copying this 
document</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-C"><b>C</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-C"><b>C</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git 
a/tp/t/results/indices/printindex_index_entry_in_copying_no_insertcopying.pl 
b/tp/t/results/indices/printindex_index_entry_in_copying_no_insertcopying.pl
index d9eb7222b1..81e2a6d804 100644
--- a/tp/t/results/indices/printindex_index_entry_in_copying_no_insertcopying.pl
+++ b/tp/t/results/indices/printindex_index_entry_in_copying_no_insertcopying.pl
@@ -1329,33 +1329,33 @@ 
$result_converted{'html_text'}->{'printindex_index_entry_in_copying_no_insertcop
 
 
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-C"><b>C</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-X"><b>X</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-X"><b>X</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-C">C</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-Copying-this-document"><code>Copying this 
document</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-ftable-item"><code>ftable 
item</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-fun"><code>fun</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-X">X</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-X">X</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-xf"><code>xf</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-copying-xftable-xitem"><code>xftable 
xitem</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-C"><b>C</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-X"><b>X</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-X"><b>X</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/printindex_with_space_before.pl 
b/tp/t/results/indices/printindex_with_space_before.pl
index 1052a7d749..ee5d45462f 100644
--- a/tp/t/results/indices/printindex_with_space_before.pl
+++ b/tp/t/results/indices/printindex_with_space_before.pl
@@ -266,17 +266,17 @@ 
$result_converted{'html_text'}->{'printindex_with_space_before'} = '<h1 class="n
 
 <p>Text.
 </p><div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-I"><b>I</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-I">I</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-index">index</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-I"><b>I</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/same_index_entry_merged_indices.pl 
b/tp/t/results/indices/same_index_entry_merged_indices.pl
index bfc2a5f7f0..337611a973 100644
--- a/tp/t/results/indices/same_index_entry_merged_indices.pl
+++ b/tp/t/results/indices/same_index_entry_merged_indices.pl
@@ -770,18 +770,18 @@ 
$result_converted{'html_text'}->{'same_index_entry_merged_indices'} = '
 </p></dd></dl>
 
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-M"><b>M</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-M"><b>M</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-M">M</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-M">M</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-mmm_002dmode"><code>mmm-mode</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-mmm_002dmode-1"><code>mmm-mode</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-M"><b>M</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-M"><b>M</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/seealso_duplicate.pl 
b/tp/t/results/indices/seealso_duplicate.pl
index fd33e22fef..1310422b98 100644
--- a/tp/t/results/indices/seealso_duplicate.pl
+++ b/tp/t/results/indices/seealso_duplicate.pl
@@ -463,18 +463,18 @@ $result_converted{'html_text'}->{'seealso_duplicate'} = 
'<h1 class="node" id="To
 <a class="index-entry-id" id="index-awk-1"></a>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-A"><b>A</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-awk"><code 
class="command">awk</code>, POSIX and</a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a href="#index-awk-1"><code 
class="command">awk</code>, POSIX and</a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-A"><b>A</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/subentries.pl 
b/tp/t/results/indices/subentries.pl
index 16fb1b8660..3aca2aec1d 100644
--- a/tp/t/results/indices/subentries.pl
+++ b/tp/t/results/indices/subentries.pl
@@ -1370,56 +1370,56 @@ $result_converted{'html_text'}->{'subentries'} = '
 <a class="index-entry-id" id="index-f_002d_002d_002dggg"></a>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-A"><b>A</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-B"><b>B</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-B"><b>B</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-D"><b>D</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-D"><b>D</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-G"><b>G</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-G"><b>G</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-a_002d_002d_002da">a&mdash;a</a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#chapter-index">chapter index</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-B">B</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-B">B</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-b_002d_002d_002db">b&mdash;b, 
c&mdash;c</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#chapter-index">chapter index</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-D">D</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-D">D</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-d_002d_002d_002ddd">d&mdash;dd, 
e&mdash;ee, f&mdash;ff</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#chapter-index">chapter index</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-G">G</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-G">G</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-g_002d_002d_002dgg">g&mdash;gg, 
h&mdash;hh jjj, k&mdash;kk, l&mdash;ll</a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#chapter-index">chapter index</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-A"><b>A</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-B"><b>B</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-B"><b>B</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-D"><b>D</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-D"><b>D</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-G"><b>G</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-G"><b>G</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-F"><b>F</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-f_002d_002d_002daa"><code>f---aa</code></a>:</td><td>&nbsp;</td><td
 valign="top"><a href="#chapter-index">chapter index</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-f_002d_002d_002dbb"><code>f---bb, 
f---cc</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#chapter-index">chapter index</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-f_002d_002d_002dddd"><code>f---ddd, f---eee, 
ffff</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#chapter-index">chapter index</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-f_002d_002d_002dggg"><code>f---ggg, f---hhh fjjj, f---kkk, 
f---lll</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#chapter-index">chapter index</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-F"><b>F</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/subentry_and_sortas.pl 
b/tp/t/results/indices/subentry_and_sortas.pl
index 15368d89a5..be6859e2c8 100644
--- a/tp/t/results/indices/subentry_and_sortas.pl
+++ b/tp/t/results/indices/subentry_and_sortas.pl
@@ -942,32 +942,32 @@ $result_converted{'html_text'}->{'subentry_and_sortas'} = 
'
 <a class="index-entry-id" id="index-xxx"></a>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-A"><b>A</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-aaa">aaa, 
bbb</a>:</td><td>&nbsp;</td><td valign="top"><a href="#chapter-index">chapter 
index</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-A"><b>A</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-X"><b>X</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-X"><b>X</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-X">X</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-X">X</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-xxx"><code>xxx, 
zzz</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#chapter-index">chapter index</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-X"><b>X</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-X"><b>X</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/syncode_index_print_both.pl 
b/tp/t/results/indices/syncode_index_print_both.pl
index a6499c7b35..2f3a7152ef 100644
--- a/tp/t/results/indices/syncode_index_print_both.pl
+++ b/tp/t/results/indices/syncode_index_print_both.pl
@@ -809,24 +809,24 @@ 
$result_converted{'html_text'}->{'syncode_index_print_both'} = '
 <p>Print cp
 </p>
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-C"><b>C</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-F"><b>F</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-C">C</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-c_002d_002d_002doncept">c&mdash;oncept</a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#chapter-index">chapter index</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-f_002d_002d_002dun"><code>f---un</code></a>:</td><td>&nbsp;</td><td
 valign="top"><a href="#chapter-index">chapter index</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-C"><b>C</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-C"><b>C</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-F"><b>F</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/syncodeindex_to_plain.pl 
b/tp/t/results/indices/syncodeindex_to_plain.pl
index d2cd0962ca..fb41d447f8 100644
--- a/tp/t/results/indices/syncodeindex_to_plain.pl
+++ b/tp/t/results/indices/syncodeindex_to_plain.pl
@@ -538,32 +538,32 @@ $result_converted{'html_text'}->{'syncodeindex_to_plain'} 
= '
 
 <p>cp index.
 </p><div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>-</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>-</b></a>
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">-</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_002d_002dk1"><code>--k1</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_002d_002dc">&ndash;c</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>-</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>-</b></a>
 </td></tr></table>
 </div>
 
 <p>vr index.
 </p><div class="printindex vr-printindex">
-<table class="vr-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_vr_symbol-1"><b>-</b></a>
+<table class="vr-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_vr_symbol-1"><b>-</b></a>
 </td></tr></table>
 <table class="vr-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_vr_symbol-1">-</th><td></td><td></td></tr>
+<tr><th id="t_i_vr_symbol-1">-</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_002d_002dv"><code>--v</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="vr-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_vr_symbol-1"><b>-</b></a>
+<table class="vr-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_vr_symbol-1"><b>-</b></a>
 </td></tr></table>
 </div>
 ';
diff --git a/tp/t/results/indices/transparent_sort_chars.pl 
b/tp/t/results/indices/transparent_sort_chars.pl
index 1ed5d82998..3296a16aaa 100644
--- a/tp/t/results/indices/transparent_sort_chars.pl
+++ b/tp/t/results/indices/transparent_sort_chars.pl
@@ -502,25 +502,25 @@ 
$result_converted{'html_text'}->{'transparent_sort_chars'} = '
 <a class="index-entry-id" id="index-Semantic-markup"></a>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-S"><b>S</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-V"><b>V</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-V"><b>V</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-Semantic-markup">Semantic 
markup</a>:</td><td>&nbsp;</td><td valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a href="#index-Source-file-format">Source file 
format</a>:</td><td>&nbsp;</td><td valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-V">V</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-V">V</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_002d_002dversion_002c-for-install_002dinfo"><code 
class="code">--version</code>, for <code 
class="command">install-info</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-S"><b>S</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-V"><b>V</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-V"><b>V</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/indices/w_lines_count.pl 
b/tp/t/results/indices/w_lines_count.pl
index d6a47a3129..34692a1837 100644
--- a/tp/t/results/indices/w_lines_count.pl
+++ b/tp/t/results/indices/w_lines_count.pl
@@ -462,17 +462,17 @@ $result_converted{'html_text'}->{'w_lines_count'} = '<div 
class="top-level-exten
 <p>Compilation mode also defines the keys <kbd class="key">SPC</kbd> and <kbd 
class="key">DEL</kbd> to
 </p>
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-C"><b>C</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-C"><b>C</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-C">C</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-C">C</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-compilation_002dnext_002derror"><code>compilation-next-error</code></a>:</td><td>&nbsp;</td><td
 valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-C"><b>C</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-C"><b>C</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/misc_commands/comment_space_command_on_line.pl 
b/tp/t/results/misc_commands/comment_space_command_on_line.pl
index 4b1e23d12c..eb84530ed8 100644
--- a/tp/t/results/misc_commands/comment_space_command_on_line.pl
+++ b/tp/t/results/misc_commands/comment_space_command_on_line.pl
@@ -839,17 +839,17 @@ 
$result_converted{'html_text'}->{'comment_space_command_on_line'} = '
 <h3 class="heading" id="Heading--">Heading &nbsp;</h3>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-I"><b>I</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-I">I</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-I">I</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-index-entry--">index entry 
&nbsp;</a>:</td><td>&nbsp;</td><td valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-I"><b>I</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-I"><b>I</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/morecoverage/formatting_fr.pl 
b/tp/t/results/morecoverage/formatting_fr.pl
index 759b71a258..039fbd7508 100644
--- a/tp/t/results/morecoverage/formatting_fr.pl
+++ b/tp/t/results/morecoverage/formatting_fr.pl
@@ -5542,82 +5542,82 @@ Menu comment
 
 <p>cp
 </p><div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Aller 
&agrave;: &nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>.</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Aller 
&agrave;: &nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>.</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_symbol-2"><b>?</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_symbol-2"><b>?</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">.</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_002e">.</a></td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top section</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-2">?</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-2">?</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_003f">?</a></td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top section</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a">a</a></td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top section</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-T">T</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-t_002d_002druc">t&ndash;ruc</a></td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top section</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-T_002d_002druc">T&ndash;ruc</a></td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top section</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Aller 
&agrave;: &nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>.</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Aller 
&agrave;: &nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>.</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_symbol-2"><b>?</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_symbol-2"><b>?</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
 
 <p>fn
 </p><div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Aller 
&agrave;: &nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_symbol-1"><b>.</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Aller 
&agrave;: &nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_symbol-1"><b>.</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_symbol-2"><b>?</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_symbol-2"><b>?</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_fn_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_symbol-1">.</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_002e-1"><code>.</code></a></td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top section</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_symbol-2">?</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_symbol-2">?</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_003f-1"><code>?</code></a></td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top section</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-a-1"><code>a</code></a></td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top section</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-T">T</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-t_002d_002druc-1"><code>t--ruc</code></a></td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top section</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-T_002d_002druc-1"><code>T--ruc</code></a></td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top section</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Aller 
&agrave;: &nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_symbol-1"><b>.</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Aller 
&agrave;: &nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_symbol-1"><b>.</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_symbol-2"><b>?</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_symbol-2"><b>?</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_fn_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -5787,80 +5787,80 @@ Menu comment
 <h1 class="centerchap" id="chapter-2">chapter 2</h1>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Aller 
&agrave;: &nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>.</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Aller 
&agrave;: &nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>.</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_symbol-2"><b>?</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_symbol-2"><b>?</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">.</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_002e">.</a></td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top section</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-2">?</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-2">?</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_003f">?</a></td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top section</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a">a</a></td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top section</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-T">T</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-t_002d_002druc">t&ndash;ruc</a></td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top section</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-T_002d_002druc">T&ndash;ruc</a></td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top section</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Aller 
&agrave;: &nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>.</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Aller 
&agrave;: &nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>.</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_symbol-2"><b>?</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_symbol-2"><b>?</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Aller 
&agrave;: &nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_symbol-1"><b>.</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Aller 
&agrave;: &nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_symbol-1"><b>.</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_symbol-2"><b>?</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_symbol-2"><b>?</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_fn_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Entr&eacute;e 
d&rsquo;index</th><td>&nbsp;</td><th align="left"> Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_symbol-1">.</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_002e-1"><code>.</code></a></td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top section</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_symbol-2">?</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_symbol-2">?</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_003f-1"><code>?</code></a></td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top section</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-a-1"><code>a</code></a></td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top section</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-T">T</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-t_002d_002druc-1"><code>t--ruc</code></a></td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top section</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-T_002d_002druc-1"><code>T--ruc</code></a></td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top section</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Aller 
&agrave;: &nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_symbol-1"><b>.</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Aller 
&agrave;: &nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_symbol-1"><b>.</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_symbol-2"><b>?</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_symbol-2"><b>?</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_fn_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/t/results/morecoverage/texi_formatting.pl 
b/tp/t/results/morecoverage/texi_formatting.pl
index 03ce7fe6b2..7d90b44c95 100644
--- a/tp/t/results/morecoverage/texi_formatting.pl
+++ b/tp/t/results/morecoverage/texi_formatting.pl
@@ -5275,82 +5275,82 @@ $result_converted{'html_text'}->{'texi_formatting'} = '
 
 <p>cp
 </p><div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>.</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>.</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_symbol-2"><b>?</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_symbol-2"><b>?</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">.</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_002e">.</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-2">?</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-2">?</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_003f">?</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a">a</a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-T">T</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-t_002d_002druc">t&ndash;ruc</a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-T_002d_002druc">T&ndash;ruc</a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>.</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>.</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_symbol-2"><b>?</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_symbol-2"><b>?</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
 
 <p>fn
 </p><div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_symbol-1"><b>.</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_symbol-1"><b>.</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_symbol-2"><b>?</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_symbol-2"><b>?</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_fn_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_symbol-1">.</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_002e-1"><code>.</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_symbol-2">?</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_symbol-2">?</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_003f-1"><code>?</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-a-1"><code>a</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-T">T</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-t_002d_002druc-1"><code>t--ruc</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-T_002d_002druc-1"><code>T--ruc</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_symbol-1"><b>.</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_symbol-1"><b>.</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_symbol-2"><b>?</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_symbol-2"><b>?</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_fn_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -5466,80 +5466,80 @@ $result_converted{'html_text'}->{'texi_formatting'} = '
 <h2 class="centerchap" id="chapter-2">chapter 2</h2>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>.</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>.</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_symbol-2"><b>?</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_symbol-2"><b>?</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">.</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_002e">.</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-2">?</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-2">?</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_003f">?</a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a">a</a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-T">T</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-t_002d_002druc">t&ndash;ruc</a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-T_002d_002druc">T&ndash;ruc</a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>.</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>.</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_symbol-2"><b>?</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_symbol-2"><b>?</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_symbol-1"><b>.</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_symbol-1"><b>.</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_symbol-2"><b>?</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_symbol-2"><b>?</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_fn_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_symbol-1">.</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_symbol-1">.</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_002e-1"><code>.</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_symbol-2">?</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_symbol-2">?</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-_003f-1"><code>?</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-a-1"><code>a</code></a>:</td><td>&nbsp;</td><td valign="top"><a 
href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-T">T</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-t_002d_002druc-1"><code>t--ruc</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-T_002d_002druc-1"><code>T--ruc</code></a>:</td><td>&nbsp;</td><td 
valign="top"><a href="#Top">Top</a></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_symbol-1"><b>.</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_symbol-1"><b>.</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_symbol-2"><b>?</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_symbol-2"><b>?</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_fn_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git 
a/tp/t/results/moreindices/double_index_entry/res_html/double_index_entry.html 
b/tp/t/results/moreindices/double_index_entry/res_html/double_index_entry.html
index 2a6785d630..85a29626d1 100644
--- 
a/tp/t/results/moreindices/double_index_entry/res_html/double_index_entry.html
+++ 
b/tp/t/results/moreindices/double_index_entry/res_html/double_index_entry.html
@@ -39,19 +39,19 @@ span.program-in-footer {font-size: smaller}
 <a class="index-entry-id" id="index-aaa-2"></a>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-A"><b>A</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-aaa">aaa</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-aaa-1">aaa</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-aaa-2">aaa</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-A"><b>A</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git 
a/tp/t/results/moreindices/nodes_before_top_no_nodes/res_html/index.html 
b/tp/t/results/moreindices/nodes_before_top_no_nodes/res_html/index.html
index 0d290cc927..ce1398d0d2 100644
--- a/tp/t/results/moreindices/nodes_before_top_no_nodes/res_html/index.html
+++ b/tp/t/results/moreindices/nodes_before_top_no_nodes/res_html/index.html
@@ -27,64 +27,64 @@ span.program-in-footer {font-size: smaller}
 
 <a class="node" id="first-before-top"></a><a class="index-entry-id" 
id="index-first-before-top"></a>
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-N"><b>N</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-N"><b>N</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-P"><b>P</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-P"><b>P</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">!</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a-concept-a-node">a concept a 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-another">another</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-E">E</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-E">E</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-a">entry 
a</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-after-printindex">entry 
after printindex</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-first-before-top">first before 
top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-N">N</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-N">N</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-node-in-menu-before-top">node in 
menu before top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-P">P</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-P">P</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-printindex-node-in-menu-before-top">printindex node in menu before 
top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-something">something</a></td><td>&nbsp;</td><td 
valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-N"><b>N</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-N"><b>N</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-P"><b>P</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-P"><b>P</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -97,64 +97,64 @@ span.program-in-footer {font-size: smaller}
 <a class="node" id="node-in-menu-before-top"></a>
 <a class="index-entry-id" id="index-node-in-menu-before-top"></a>
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-N"><b>N</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-N"><b>N</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-P"><b>P</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-P"><b>P</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">!</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a-concept-a-node">a concept a 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-another">another</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-E">E</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-E">E</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-a">entry 
a</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-after-printindex">entry 
after printindex</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-first-before-top">first before 
top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-N">N</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-N">N</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-node-in-menu-before-top">node in 
menu before top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-P">P</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-P">P</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-printindex-node-in-menu-before-top">printindex node in menu before 
top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-something">something</a></td><td>&nbsp;</td><td 
valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-N"><b>N</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-N"><b>N</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-P"><b>P</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-P"><b>P</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -166,94 +166,94 @@ span.program-in-footer {font-size: smaller}
 <a class="node" id="Top"></a><a class="index-entry-id" id="index-entry-a"></a>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-N"><b>N</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-N"><b>N</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-P"><b>P</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-P"><b>P</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">!</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a-concept-a-node">a concept a 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-another">another</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-E">E</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-E">E</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-a">entry 
a</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-after-printindex">entry 
after printindex</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-first-before-top">first before 
top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-N">N</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-N">N</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-node-in-menu-before-top">node in 
menu before top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-P">P</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-P">P</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-printindex-node-in-menu-before-top">printindex node in menu before 
top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-something">something</a></td><td>&nbsp;</td><td 
valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-N"><b>N</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-N"><b>N</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-P"><b>P</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-P"><b>P</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
 
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-A"><b>A</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a-function"><code>a 
function</code></a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-fun-in-node"><code>fun in 
node</code></a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-somewhere"><code>somewhere</code></a></td><td>&nbsp;</td><td 
valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-A"><b>A</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -261,64 +261,64 @@ span.program-in-footer {font-size: smaller}
 <p>And one one more index
 </p>
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-N"><b>N</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-N"><b>N</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-P"><b>P</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-P"><b>P</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">!</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a-concept-a-node">a concept a 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-another">another</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-E">E</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-E">E</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-a">entry 
a</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-after-printindex">entry 
after printindex</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-first-before-top">first before 
top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-N">N</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-N">N</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-node-in-menu-before-top">node in 
menu before top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-P">P</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-P">P</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-printindex-node-in-menu-before-top">printindex node in menu before 
top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-something">something</a></td><td>&nbsp;</td><td 
valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-N"><b>N</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-N"><b>N</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-P"><b>P</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-P"><b>P</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -334,64 +334,64 @@ span.program-in-footer {font-size: smaller}
 <a class="index-entry-id" id="index-entry-in-node"></a>
 </p>
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-N"><b>N</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-N"><b>N</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-P"><b>P</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-P"><b>P</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">!</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a-concept-a-node">a concept a 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-another">another</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-E">E</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-E">E</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-a">entry 
a</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-after-printindex">entry 
after printindex</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-first-before-top">first before 
top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-N">N</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-N">N</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-node-in-menu-before-top">node in 
menu before top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-P">P</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-P">P</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-printindex-node-in-menu-before-top">printindex node in menu before 
top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-something">something</a></td><td>&nbsp;</td><td 
valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-N"><b>N</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-N"><b>N</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-P"><b>P</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-P"><b>P</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -409,31 +409,31 @@ span.program-in-footer {font-size: smaller}
 </table>
 
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-A"><b>A</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a-function"><code>a 
function</code></a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-fun-in-node"><code>fun in 
node</code></a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-somewhere"><code>somewhere</code></a></td><td>&nbsp;</td><td 
valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-A"><b>A</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -446,64 +446,64 @@ span.program-in-footer {font-size: smaller}
 <a class="node" id="a-node"></a><a class="index-entry-id" 
id="index-entry-after-printindex"></a>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-N"><b>N</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-N"><b>N</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-P"><b>P</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-P"><b>P</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">!</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a-concept-a-node">a concept a 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-another">another</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-E">E</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-E">E</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-a">entry 
a</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-after-printindex">entry 
after printindex</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-first-before-top">first before 
top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-N">N</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-N">N</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-node-in-menu-before-top">node in 
menu before top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-P">P</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-P">P</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-printindex-node-in-menu-before-top">printindex node in menu before 
top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-something">something</a></td><td>&nbsp;</td><td 
valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-N"><b>N</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-N"><b>N</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-P"><b>P</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-P"><b>P</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -512,64 +512,64 @@ span.program-in-footer {font-size: smaller}
 <a class="index-entry-id" id="index-a-concept-a-node"></a>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-N"><b>N</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-N"><b>N</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-P"><b>P</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-P"><b>P</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">!</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a-concept-a-node">a concept a 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-another">another</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-E">E</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-E">E</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-a">entry 
a</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-after-printindex">entry 
after printindex</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-first-before-top">first before 
top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-N">N</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-N">N</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-node-in-menu-before-top">node in 
menu before top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-P">P</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-P">P</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-printindex-node-in-menu-before-top">printindex node in menu before 
top</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-something">something</a></td><td>&nbsp;</td><td 
valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-N"><b>N</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-N"><b>N</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-P"><b>P</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-P"><b>P</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/tests/indices/res_parser/index_nodes/index_nodes.html 
b/tp/tests/indices/res_parser/index_nodes/index_nodes.html
index 25eb923f13..ccc71900b1 100644
--- a/tp/tests/indices/res_parser/index_nodes/index_nodes.html
+++ b/tp/tests/indices/res_parser/index_nodes/index_nodes.html
@@ -27,74 +27,74 @@ span.program-in-footer {font-size: smaller}
 <a class="node" id="Top"></a><a class="index-entry-id" id="index-entry-a"></a>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">!</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a-concept-a-node">a concept a 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-another">another</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-E">E</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-E">E</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-a">entry 
a</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-after-printindex">entry 
after printindex</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node-1">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-something">something</a></td><td>&nbsp;</td><td 
valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
 
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-A"><b>A</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a-function"><code>a 
function</code></a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-fun-in-node"><code>fun in 
node</code></a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-somewhere"><code>somewhere</code></a></td><td>&nbsp;</td><td 
valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-A"><b>A</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -102,44 +102,44 @@ span.program-in-footer {font-size: smaller}
 <p>And one one more index
 </p>
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">!</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a-concept-a-node">a concept a 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-another">another</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-E">E</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-E">E</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-a">entry 
a</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-after-printindex">entry 
after printindex</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node-1">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-something">something</a></td><td>&nbsp;</td><td 
valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -156,44 +156,44 @@ span.program-in-footer {font-size: smaller}
 <a class="index-entry-id" id="index-entry-in-node-1"></a>
 </p>
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">!</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a-concept-a-node">a concept a 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-another">another</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-E">E</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-E">E</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-a">entry 
a</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-after-printindex">entry 
after printindex</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node-1">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-something">something</a></td><td>&nbsp;</td><td 
valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -211,31 +211,31 @@ span.program-in-footer {font-size: smaller}
 </table>
 
 <div class="printindex fn-printindex">
-<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-A"><b>A</b></a>
+<table class="fn-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="fn-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a-function"><code>a 
function</code></a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-F">F</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-F">F</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-fun-in-node"><code>fun in 
node</code></a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_fn_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_fn_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-somewhere"><code>somewhere</code></a></td><td>&nbsp;</td><td 
valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_fn_letter-A"><b>A</b></a>
+<table class="fn-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_fn_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-F"><b>F</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-F"><b>F</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_fn_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_fn_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -248,44 +248,44 @@ span.program-in-footer {font-size: smaller}
 <a class="node" id="a-node"></a><a class="index-entry-id" 
id="index-entry-after-printindex"></a>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">!</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a-concept-a-node">a concept a 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-another">another</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-E">E</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-E">E</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-a">entry 
a</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-after-printindex">entry 
after printindex</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node-1">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-something">something</a></td><td>&nbsp;</td><td 
valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
@@ -294,44 +294,44 @@ span.program-in-footer {font-size: smaller}
 <a class="index-entry-id" id="index-a-concept-a-node"></a>
 
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_symbol-1">!</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_symbol-1">!</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-_0021-entry-in-node">! entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-A">A</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-A">A</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-a-concept-a-node">a concept a 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-another">another</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-E">E</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-E">E</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-a">entry 
a</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-after-printindex">entry 
after printindex</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td></td><td valign="top"><a href="#index-entry-in-node-1">entry in 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-S">S</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-S">S</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a 
href="#index-something">something</a></td><td>&nbsp;</td><td 
valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_symbol-1"><b>!</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_symbol-1"><b>!</b></a>
  &nbsp; 
 <br>
-<a class="summary-letter-printindex" href="#t_h_cp_letter-A"><b>A</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-A"><b>A</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-E"><b>E</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-E"><b>E</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-S"><b>S</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-S"><b>S</b></a>
  &nbsp; 
 </td></tr></table>
 </div>
diff --git a/tp/tests/indices/res_parser/index_one_node/index_one_node.html 
b/tp/tests/indices/res_parser/index_one_node/index_one_node.html
index d3353f9704..1619ac1db2 100644
--- a/tp/tests/indices/res_parser/index_one_node/index_one_node.html
+++ b/tp/tests/indices/res_parser/index_one_node/index_one_node.html
@@ -43,24 +43,24 @@ span.program-in-footer {font-size: smaller}
 <p>Some text.
 </p>
 <div class="printindex cp-printindex">
-<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-B"><b>B</b></a>
+<table class="cp-letters-header-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-B"><b>B</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 <table class="cp-entries-printindex" border="0">
 <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> 
Section</th></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-B">B</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-B">B</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-before-nodes">before 
nodes</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
-<tr><th id="t_h_cp_letter-T">T</th><td></td><td></td></tr>
+<tr><th id="t_i_cp_letter-T">T</th><td></td><td></td></tr>
 <tr><td></td><td valign="top"><a href="#index-Top-node">Top 
node</a></td><td>&nbsp;</td><td valign="top"></td></tr>
 <tr><td colspan="4"> <hr></td></tr>
 </table>
-<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_h_cp_letter-B"><b>B</b></a>
+<table class="cp-letters-footer-printindex"><tr><th valign="top">Jump to: 
&nbsp; </th><td><a class="summary-letter-printindex" 
href="#t_i_cp_letter-B"><b>B</b></a>
  &nbsp; 
-<a class="summary-letter-printindex" href="#t_h_cp_letter-T"><b>T</b></a>
+<a class="summary-letter-printindex" href="#t_i_cp_letter-T"><b>T</b></a>
  &nbsp; 
 </td></tr></table>
 </div>



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