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texinfo/tp Texinfo/Parser.pm t/30sectioning.t t...


From: Patrice Dumas
Subject: texinfo/tp Texinfo/Parser.pm t/30sectioning.t t...
Date: Thu, 09 Aug 2012 21:11:25 +0000

CVSROOT:        /sources/texinfo
Module name:    texinfo
Changes by:     Patrice Dumas <pertusus>        12/08/09 21:11:25

Modified files:
        tp/Texinfo     : Parser.pm 
        tp/t           : 30sectioning.t 
Added files:
        tp/t/results/sectioning: empty_ref_arg.pl 

Log message:
        Warn about non empty label and title in @ref expanding to an empty 
string.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/texinfo/tp/Texinfo/Parser.pm?cvsroot=texinfo&r1=1.382&r2=1.383
http://cvs.savannah.gnu.org/viewcvs/texinfo/tp/t/30sectioning.t?cvsroot=texinfo&r1=1.82&r2=1.83
http://cvs.savannah.gnu.org/viewcvs/texinfo/tp/t/results/sectioning/empty_ref_arg.pl?cvsroot=texinfo&rev=1.1

Patches:
Index: Texinfo/Parser.pm
===================================================================
RCS file: /sources/texinfo/texinfo/tp/Texinfo/Parser.pm,v
retrieving revision 1.382
retrieving revision 1.383
diff -u -b -r1.382 -r1.383
--- Texinfo/Parser.pm   14 Jul 2012 11:41:55 -0000      1.382
+++ Texinfo/Parser.pm   9 Aug 2012 21:11:24 -0000       1.383
@@ -4773,6 +4773,26 @@
                     push @{$self->{'internal_references'}}, $ref;
                   }
                 }
+                if (defined($args[1])) {
+                  my $normalized_label = 
+                    
Texinfo::Convert::NodeNameNormalization::normalize_node({'contents' => 
$args[1]});
+                  if ($normalized_label !~ /[^-]/) {
+                    $self->line_warn(sprintf($self->__("In address@hidden 
empty cross reference name after expansion `%s'"),
+                          $closed_command,
+                          Texinfo::Convert::Texinfo::convert({'contents' => 
$args[1]})), 
+                            $line_nr);
+                  }
+                }
+                if ($closed_command ne 'inforef' and defined($args[2])) {
+                  my $normalized_title =
+                    
Texinfo::Convert::NodeNameNormalization::normalize_node({'contents' => 
$args[2]});
+                  if ($normalized_title !~ /[^-]/) {
+                    $self->line_warn(sprintf($self->__("In address@hidden 
empty cross reference title after expansion `%s'"),
+                          $closed_command,
+                          Texinfo::Convert::Texinfo::convert({'contents' => 
$args[2]})), 
+                            $line_nr);
+                  }
+                }
               }
             } elsif ($current->{'parent'}->{'cmdname'} eq 'image') {
               my $image = $current->{'parent'};

Index: t/30sectioning.t
===================================================================
RCS file: /sources/texinfo/texinfo/tp/t/30sectioning.t,v
retrieving revision 1.82
retrieving revision 1.83
diff -u -b -r1.82 -r1.83
--- t/30sectioning.t    24 Jul 2012 23:42:45 -0000      1.82
+++ t/30sectioning.t    9 Aug 2012 21:11:24 -0000       1.83
@@ -1813,6 +1813,20 @@
 
 @appendix appendix
 '],
+['empty_ref_arg',
+'@node Top
+
address@hidden, @ }
address@hidden, , @ }
address@hidden, @ , @:}
address@hidden, @c aaa
+ @ 
address@hidden ggg
+, @c fff
address@hidden
+}
+'
+],
 ['contents_at_document_begin',
 undef, {'test_file' => 'contents_at_document_begin.texi'}],
 ['contents_at_end_document_after_node',

Index: t/results/sectioning/empty_ref_arg.pl
===================================================================
RCS file: t/results/sectioning/empty_ref_arg.pl
diff -N t/results/sectioning/empty_ref_arg.pl
--- /dev/null   1 Jan 1970 00:00:00 -0000
+++ t/results/sectioning/empty_ref_arg.pl       9 Aug 2012 21:11:25 -0000       
1.1
@@ -0,0 +1,579 @@
+use vars qw(%result_texis %result_texts %result_trees %result_errors 
+   %result_indices %result_sectioning %result_nodes %result_menus
+   %result_floats %result_converted %result_converted_errors 
+   %result_elements %result_directions_text);
+
+use utf8;
+
+$result_trees{'empty_ref_arg'} = {
+  'contents' => [
+    {
+      'contents' => [],
+      'parent' => {},
+      'type' => 'text_root'
+    },
+    {
+      'args' => [
+        {
+          'contents' => [
+            {
+              'extra' => {
+                'command' => {}
+              },
+              'parent' => {},
+              'text' => ' ',
+              'type' => 'empty_spaces_after_command'
+            },
+            {
+              'parent' => {},
+              'text' => 'Top'
+            },
+            {
+              'parent' => {},
+              'text' => '
+',
+              'type' => 'spaces_at_end'
+            }
+          ],
+          'parent' => {},
+          'type' => 'misc_line_arg'
+        }
+      ],
+      'cmdname' => 'node',
+      'contents' => [
+        {
+          'parent' => {},
+          'text' => '
+',
+          'type' => 'empty_line'
+        },
+        {
+          'contents' => [
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'brace_command_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'text' => ' ',
+                      'type' => 'empty_spaces_before_argument'
+                    },
+                    {
+                      'cmdname' => ' ',
+                      'parent' => {}
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'brace_command_arg'
+                }
+              ],
+              'cmdname' => 'ref',
+              'contents' => [],
+              'extra' => {
+                'brace_command_contents' => [
+                  [
+                    {}
+                  ],
+                  [
+                    {}
+                  ]
+                ],
+                'label' => {},
+                'node_argument' => {
+                  'node_content' => [
+                    {}
+                  ],
+                  'normalized' => 'Top'
+                }
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 3,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'parent' => {},
+              'text' => '
+'
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'brace_command_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'text' => ' ',
+                      'type' => 'empty_spaces_before_argument'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'brace_command_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'text' => ' ',
+                      'type' => 'empty_spaces_before_argument'
+                    },
+                    {
+                      'cmdname' => ' ',
+                      'parent' => {}
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'brace_command_arg'
+                }
+              ],
+              'cmdname' => 'ref',
+              'contents' => [],
+              'extra' => {
+                'brace_command_contents' => [
+                  [
+                    {}
+                  ],
+                  undef,
+                  [
+                    {}
+                  ]
+                ],
+                'label' => {},
+                'node_argument' => {
+                  'node_content' => [
+                    {}
+                  ],
+                  'normalized' => 'Top'
+                }
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 4,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'parent' => {},
+              'text' => '
+'
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'brace_command_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'text' => ' ',
+                      'type' => 'empty_spaces_before_argument'
+                    },
+                    {
+                      'cmdname' => ' ',
+                      'parent' => {}
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'brace_command_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'text' => ' ',
+                      'type' => 'empty_spaces_before_argument'
+                    },
+                    {
+                      'cmdname' => ':',
+                      'parent' => {}
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'brace_command_arg'
+                }
+              ],
+              'cmdname' => 'ref',
+              'contents' => [],
+              'extra' => {
+                'brace_command_contents' => [
+                  [
+                    {}
+                  ],
+                  [
+                    {}
+                  ],
+                  [
+                    {}
+                  ]
+                ],
+                'label' => {},
+                'node_argument' => {
+                  'node_content' => [
+                    {}
+                  ],
+                  'normalized' => 'Top'
+                }
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 5,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'parent' => {},
+              'text' => '
+'
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'brace_command_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'text' => ' ',
+                      'type' => 'empty_spaces_before_argument'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => ' aaa
+',
+                          'type' => 'misc_arg'
+                        }
+                      ],
+                      'cmdname' => 'c',
+                      'parent' => {}
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ' '
+                    },
+                    {
+                      'cmdname' => ' ',
+                      'parent' => {}
+                    },
+                    {
+                      'parent' => {},
+                      'text' => '
+',
+                      'type' => 'spaces_at_end'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => ' ggg
+',
+                          'type' => 'misc_arg'
+                        }
+                      ],
+                      'cmdname' => 'c',
+                      'parent' => {}
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'brace_command_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'text' => ' ',
+                      'type' => 'empty_spaces_before_argument'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => ' fff
+',
+                          'type' => 'misc_arg'
+                        }
+                      ],
+                      'cmdname' => 'c',
+                      'parent' => {}
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '
+',
+                          'type' => 'misc_arg'
+                        }
+                      ],
+                      'cmdname' => 'c',
+                      'parent' => {}
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'brace_command_arg'
+                }
+              ],
+              'cmdname' => 'ref',
+              'contents' => [],
+              'extra' => {
+                'brace_command_contents' => [
+                  [
+                    {}
+                  ],
+                  [
+                    {},
+                    {},
+                    {}
+                  ],
+                  undef
+                ],
+                'label' => {},
+                'node_argument' => {
+                  'node_content' => [
+                    {}
+                  ],
+                  'normalized' => 'Top'
+                }
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 6,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'parent' => {},
+              'text' => '
+'
+            }
+          ],
+          'parent' => {},
+          'type' => 'paragraph'
+        }
+      ],
+      'extra' => {
+        'node_content' => [
+          {}
+        ],
+        'nodes_manuals' => [
+          {
+            'node_content' => [],
+            'normalized' => 'Top'
+          }
+        ],
+        'normalized' => 'Top'
+      },
+      'line_nr' => {
+        'file_name' => '',
+        'line_nr' => 1,
+        'macro' => ''
+      },
+      'parent' => {}
+    }
+  ],
+  'type' => 'document_root'
+};
+$result_trees{'empty_ref_arg'}{'contents'}[0]{'parent'} = 
$result_trees{'empty_ref_arg'};
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'args'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'args'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'args'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'empty_ref_arg'}{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'empty_ref_arg'}{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'label'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2]{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'extra'}{'label'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[5];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[5]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[2];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][1]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[2];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][2]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[3];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'label'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'empty_ref_arg'}{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'args'}[0]{'contents'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'extra'}{'node_content'};
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'parent'} = 
$result_trees{'empty_ref_arg'};
+
+$result_texis{'empty_ref_arg'} = '@node Top
+
address@hidden, @ }
address@hidden, , @ }
address@hidden, @ , @:}
address@hidden, @c aaa
+ @ 
address@hidden ggg
+, @c fff
address@hidden
+}
+';
+
+
+$result_texts{'empty_ref_arg'} = '
+
+
+
+
+';
+
+$result_sectioning{'empty_ref_arg'} = {};
+
+$result_nodes{'empty_ref_arg'} = {
+  'cmdname' => 'node',
+  'extra' => {
+    'normalized' => 'Top'
+  },
+  'node_up' => {
+    'extra' => {
+      'manual_content' => [
+        {
+          'text' => 'dir'
+        }
+      ],
+      'top_node_up' => {}
+    },
+    'type' => 'top_node_up'
+  }
+};
+$result_nodes{'empty_ref_arg'}{'node_up'}{'extra'}{'top_node_up'} = 
$result_nodes{'empty_ref_arg'};
+
+$result_menus{'empty_ref_arg'} = {
+  'cmdname' => 'node',
+  'extra' => {
+    'normalized' => 'Top'
+  }
+};
+
+$result_errors{'empty_ref_arg'} = [
+  {
+    'error_line' => ':3: warning: In @ref empty cross reference name after 
expansion `@ \'
+',
+    'file_name' => '',
+    'line_nr' => 3,
+    'macro' => '',
+    'text' => 'In @ref empty cross reference name after expansion `@ \'',
+    'type' => 'warning'
+  },
+  {
+    'error_line' => ':4: warning: In @ref empty cross reference title after 
expansion `@ \'
+',
+    'file_name' => '',
+    'line_nr' => 4,
+    'macro' => '',
+    'text' => 'In @ref empty cross reference title after expansion `@ \'',
+    'type' => 'warning'
+  },
+  {
+    'error_line' => ':5: warning: In @ref empty cross reference name after 
expansion `@ \'
+',
+    'file_name' => '',
+    'line_nr' => 5,
+    'macro' => '',
+    'text' => 'In @ref empty cross reference name after expansion `@ \'',
+    'type' => 'warning'
+  },
+  {
+    'error_line' => ':5: warning: In @ref empty cross reference title after 
expansion `@:\'
+',
+    'file_name' => '',
+    'line_nr' => 5,
+    'macro' => '',
+    'text' => 'In @ref empty cross reference title after expansion `@:\'',
+    'type' => 'warning'
+  },
+  {
+    'error_line' => ':11: warning: In @ref empty cross reference name after 
expansion address@hidden aaa
+ @ \'
+',
+    'file_name' => '',
+    'line_nr' => 11,
+    'macro' => '',
+    'text' => 'In @ref empty cross reference name after expansion 
address@hidden aaa
+ @ \'',
+    'type' => 'warning'
+  }
+];
+
+
+1;



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