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###############################################################################
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## ##
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## Copyright (c) 2007 - 2011 by Dan DeBrito. ##
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## All rights reserved. ##
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## ##
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## This package is free software; you can redistribute it ##
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## and/or modify it under the same terms as Perl itself. ##
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## ##
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###############################################################################
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package HTML::TagTree;
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our $AUTOLOAD;
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1
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1
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22726
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use strict;
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3
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37
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1
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1
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957
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use version;
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1
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2361
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1
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18
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19
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my $DOUBLE_QUOTE = '"';
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my $SINGLE_QUOTE = "'";
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our $VERSION = qv('1.00');
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22
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23
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my %preprocess_tag;
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my %empty_tags = (
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# Tags that should not contain content or children tags
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br => 1,
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input => 1,
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);
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29
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30
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my %tag_open_substitutions = (
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ifie => '!--[if IE]',
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33
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);
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34
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my %tag_close_substitutions = (
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ifie => '![endif]--',
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36
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);
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37
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my %valid_empty_tags_for_shortening = (
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# These tags don't need a full close tag but can use abbreviated notation when empty.
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# eg:
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#
instead of
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41
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42
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area => 1,
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base => 1,
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br => 1,
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45
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canvas => 1, # HTML5
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col => 1,
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47
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frame => 1,
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48
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hr => 1,
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49
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input => 1,
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50
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img => 1,
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51
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link => 1,
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52
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meta => 1,
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option => 1,
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param => 1,
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55
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56
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);
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57
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my %valid_tags = (
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58
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'a' => 'Defines an anchor 3.0 3.0 STF ',
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59
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'abbr' => 'Defines an abbreviation 6.2 STF ',
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60
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'acronym' => 'Defines an acronym 6.2 4.0 STF ',
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61
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'address' => 'Defines an address element 4.0 4.0 STF ',
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62
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'applet' => 'Deprecated. Defines an applet 2.0 3.0 TF ',
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63
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'area' => 'Defines an area inside an image map 3.0 3.0 STF ',
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64
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'b' => 'Defines bold text 3.0 3.0 STF ',
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65
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'base' => 'Defines a base URL for all the links in a page 3.0 3.0 STF ',
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66
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'basefont' => 'Deprecated. Defines a base font 3.0 3.0 TF ',
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67
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'bdo' => 'Defines the direction of text display 6.2 5.0 STF ',
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68
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'big' => 'Defines big text 3.0 3.0 STF ',
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69
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'blockquote' => 'Defines a long quotation 3.0 3.0 STF ',
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70
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'body' => 'Defines the body element 3.0 3.0 STF ',
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71
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'br' => 'Inserts a single line break 3.0 3.0 STF ',
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'button' => 'Defines a push button 6.2 4.0 STF ',
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'canvas' => 'HTML5',
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74
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'caption' => 'Defines a table caption 3.0 3.0 STF ',
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75
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'center' => 'Deprecated. Defines centered text 3.0 3.0 TF ',
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'cite' => 'Defines a citation 3.0 3.0 STF ',
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77
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'code' => 'Defines computer code text 3.0 3.0 STF ',
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78
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'col' => 'Defines attributes for table columns 3.0 STF ',
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79
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'colgroup' => 'Defines groups of table columns 3.0 STF ',
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80
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'dd' => 'Defines a definition description 3.0 3.0 STF ',
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'del' => 'Defines deleted text 6.2 4.0 STF ',
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82
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'dir' => 'Deprecated. Defines a directory list 3.0 3.0 TF ',
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83
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'div' => 'Defines a section in a document 3.0 3.0 STF ',
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84
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'dfn' => 'Defines a definition term 3.0 STF ',
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85
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'dl' => 'Defines a definition list 3.0 3.0 STF ',
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86
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'dt' => 'Defines a definition term 3.0 3.0 STF ',
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87
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'em' => 'Defines emphasized text 3.0 3.0 STF ',
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'fieldset' => 'Defines a fieldset 6.2 4.0 STF ',
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89
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'font' => 'Deprecated. Defines text font, size, and color 3.0 3.0 TF ',
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'form' => 'Defines a form 3.0 3.0 STF ',
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'frame' => 'Defines a sub window (a frame) 3.0 3.0 F ',
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'frameset' => 'Defines a set of frames 3.0 3.0 F ',
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'h1' => 'Defines header 1 to header 6 3.0 3.0 STF ',
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'h2' => 'Defines header 1 to header 6 3.0 3.0 STF ',
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'h3' => 'Defines header 1 to header 6 3.0 3.0 STF ',
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96
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'h4' => 'Defines header 1 to header 6 3.0 3.0 STF ',
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'h5' => 'Defines header 1 to header 6 3.0 3.0 STF ',
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'h6' => 'Defines header 1 to header 6 3.0 3.0 STF ',
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'head' => 'Defines information about the document 3.0 3.0 STF ',
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'hr' => 'Defines a horizontal rule 3.0 3.0 STF ',
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'html' => 'Defines an html document 3.0 3.0 STF ',
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102
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'i' => 'Defines italic text 3.0 3.0 STF ',
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103
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'ifie' => 'unigue Tag used to define Internet Explorer specific HTML ',
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'iframe' => 'Defines an inline sub window (frame) 6.0 4.0 TF ',
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'img' => 'Defines an image 3.0 3.0 STF ',
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106
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'input' => 'Defines an input field 3.0 3.0 STF ',
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107
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'ins' => 'Defines inserted text 6.2 4.0 STF ',
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108
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'isindex' => 'Deprecated. Defines a single-line input field 3.0 3.0 TF ',
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109
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'kbd' => 'Defines keyboard text 3.0 3.0 STF ',
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110
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'label' => 'Defines a label for a form control 6.2 4.0 STF ',
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111
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'legend' => 'Defines a title in a fieldset 6.2 4.0 STF ',
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112
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'li' => 'Defines a list item 3.0 3.0 STF ',
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'link' => 'Defines a resource reference 4.0 3.0 STF ',
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114
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'map' => 'Defines an image map 3.0 3.0 STF ',
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115
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'menu' => 'Deprecated. Defines a menu list 3.0 3.0 TF ',
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116
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'meta' => 'Defines meta information 3.0 3.0 STF ',
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117
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'noframes' => 'Defines a noframe section 3.0 3.0 TF ',
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118
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'noscript' => 'Defines a noscript section 3.0 3.0 STF ',
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119
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'object' => 'Defines an embedded object 3.0 STF ',
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120
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'ol' => 'Defines an ordered list 3.0 3.0 STF ',
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121
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'optgroup' => 'Defines an option group 6.0 6.0 STF ',
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122
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'option' => 'Defines an option in a drop-down list 3.0 3.0 STF ',
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123
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'p' => 'Defines a paragraph 3.0 3.0 STF ',
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124
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'param' => 'Defines a parameter for an object 3.0 3.0 STF ',
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125
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'pre' => 'Defines preformatted text 3.0 3.0 STF ',
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126
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'q' => 'Defines a short quotation 6.2 STF ',
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127
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's' => 'Deprecated. Defines strikethrough text 3.0 3.0 TF ',
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128
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'samp' => 'Defines sample computer code 3.0 3.0 STF ',
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129
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'script' => 'Defines a script 3.0 3.0 STF ',
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130
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'select' => 'Defines a selectable list 3.0 3.0 STF ',
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131
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'small' => 'Defines small text 3.0 3.0 STF ',
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132
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'span' => 'Defines a section in a document 4.0 3.0 STF ',
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133
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'strike' => 'Deprecated. Defines strikethrough text 3.0 3.0 TF ',
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134
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'strong' => 'Defines strong text 3.0 3.0 STF ',
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135
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'style' => 'Defines a style definition 4.0 3.0 STF ',
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136
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'sub' => 'Defines subscripted text 3.0 3.0 STF ',
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137
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'sup' => 'Defines superscripted text 3.0 3.0 STF ',
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138
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'table' => 'Defines a table 3.0 3.0 STF ',
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139
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'tbody' => 'Defines a table body 4.0 STF ',
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140
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'td' => 'Defines a table cell 3.0 3.0 STF ',
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141
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'textarea' => 'Defines a text area 3.0 3.0 STF ',
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142
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'tfoot' => 'Defines a table footer 4.0 STF ',
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143
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'th' => 'Defines a table header 3.0 3.0 STF ',
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144
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'thead' => 'Defines a table header 4.0 STF ',
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145
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'title' => 'Defines the document title 3.0 3.0 STF ',
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146
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'tr' => 'Defines a table row 3.0 3.0 STF ',
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147
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'tt' => 'Defines teletype text 3.0 3.0 STF ',
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148
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'u' => 'Deprecated. Defines underlined text 3.0 3.0 TF ',
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149
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'ul' => 'Defines an unordered list 3.0 3.0 STF ',
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150
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'var' => 'Defines a variable 3.0 3.0 STF ',
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151
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'xmp' => 'Deprecated. Defines preformatted text 3.0 3.0 ',
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152
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);
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153
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154
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my %element_types = (
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155
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header => 'Valid header elements: |