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1 " Vim syntax file
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2 " Language: reStructuredText documentation format
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3 " Maintainer: Nikolai Weibull <now@bitwi.se>
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4 " Latest Revision: 2010-01-23
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5
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6 if exists("b:current_syntax")
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7
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7 finish
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8 endif
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9
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10 let s:cpo_save = &cpo
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11 set cpo&vim
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12
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13 syn case ignore
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14
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15 syn match rstSections "^\%(\([=`:.'"~^_*+#-]\)\1\+\n\)\=.\+\n\([=`:.'"~^_*+#-]\)\2\+$"
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16
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17 syn match rstTransition /^[=`:.'"~^_*+#-]\{4,}\s*$/
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18
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19 syn cluster rstCruft contains=rstEmphasis,rstStrongEmphasis,
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20 \ rstInterpretedText,rstInlineLiteral,rstSubstitutionReference,
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21 \ rstInlineInternalTargets,rstFootnoteReference,rstHyperlinkReference
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22
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23 syn region rstLiteralBlock matchgroup=rstDelimiter
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24 \ start='::\_s*\n\ze\z(\s\+\)' skip='^$' end='^\z1\@!'
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25 \ contains=@NoSpell
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26
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27 syn region rstQuotedLiteralBlock matchgroup=rstDelimiter
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28 \ start="::\_s*\n\ze\z([!\"#$%&'()*+,-./:;<=>?@[\]^_`{|}~]\)"
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29 \ end='^\z1\@!' contains=@NoSpell
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30
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31 syn region rstDoctestBlock oneline display matchgroup=rstDelimiter
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32 \ start='^>>>\s' end='^$'
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33
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34 syn region rstTable transparent start='^\n\s*+[-=+]\+' end='^$'
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35 \ contains=rstTableLines,@rstCruft
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36 syn match rstTableLines contained display '|\|+\%(=\+\|-\+\)\='
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37
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38 syn region rstSimpleTable transparent
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39 \ start='^\n\%(\s*\)\@>\%(\%(=\+\)\@>\%(\s\+\)\@>\)\%(\%(\%(=\+\)\@>\%(\s*\)\@>\)\+\)\@>$'
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40 \ end='^$'
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41 \ contains=rstSimpleTableLines,@rstCruft
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42 syn match rstSimpleTableLines contained display
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43 \ '^\%(\s*\)\@>\%(\%(=\+\)\@>\%(\s\+\)\@>\)\%(\%(\%(=\+\)\@>\%(\s*\)\@>\)\+\)\@>$'
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44 syn match rstSimpleTableLines contained display
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45 \ '^\%(\s*\)\@>\%(\%(-\+\)\@>\%(\s\+\)\@>\)\%(\%(\%(-\+\)\@>\%(\s*\)\@>\)\+\)\@>$'
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46
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47 syn cluster rstDirectives contains=rstFootnote,rstCitation,
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48 \ rstHyperlinkTarget,rstExDirective
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49
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50 syn match rstExplicitMarkup '^\.\.\_s'
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51 \ nextgroup=@rstDirectives,rstComment,rstSubstitutionDefinition
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52
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53 let s:ReferenceName = '[[:alnum:]]\+\%([_.-][[:alnum:]]\+\)*'
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54
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55 syn keyword rstTodo contained FIXME TODO XXX NOTE
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56
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57 execute 'syn region rstComment contained' .
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58 \ ' start=/.*/'
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59 \ ' end=/^\s\@!/ contains=rstTodo'
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60
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61 execute 'syn region rstFootnote contained matchgroup=rstDirective' .
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62 \ ' start=+\[\%(\d\+\|#\%(' . s:ReferenceName . '\)\=\|\*\)\]\_s+' .
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63 \ ' skip=+^$+' .
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64 \ ' end=+^\s\@!+ contains=@rstCruft,@NoSpell'
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65
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66 execute 'syn region rstCitation contained matchgroup=rstDirective' .
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67 \ ' start=+\[' . s:ReferenceName . '\]\_s+' .
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68 \ ' skip=+^$+' .
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69 \ ' end=+^\s\@!+ contains=@rstCruft,@NoSpell'
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70
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71 syn region rstHyperlinkTarget contained matchgroup=rstDirective
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72 \ start='_\%(_\|[^:\\]*\%(\\.[^:\\]*\)*\):\_s' skip=+^$+ end=+^\s\@!+
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73
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74 syn region rstHyperlinkTarget contained matchgroup=rstDirective
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75 \ start='_`[^`\\]*\%(\\.[^`\\]*\)*`:\_s' skip=+^$+ end=+^\s\@!+
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76
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77 syn region rstHyperlinkTarget matchgroup=rstDirective
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78 \ start=+^__\_s+ skip=+^$+ end=+^\s\@!+
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79
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80 execute 'syn region rstExDirective contained matchgroup=rstDirective' .
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81 \ ' start=+' . s:ReferenceName . '::\_s+' .
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82 \ ' skip=+^$+' .
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83 \ ' end=+^\s\@!+ contains=@rstCruft'
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84
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85 execute 'syn match rstSubstitutionDefinition contained' .
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86 \ ' /|' . s:ReferenceName . '|\_s\+/ nextgroup=@rstDirectives'
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87
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88 function! s:DefineOneInlineMarkup(name, start, middle, end, char_left, char_right)
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89 execute 'syn region rst' . a:name .
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90 \ ' start=+' . a:char_left . '\zs' . a:start .
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91 \ '\ze[^[:space:]' . a:char_right . a:start[strlen(a:start) - 1] . ']+' .
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92 \ a:middle .
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93 \ ' end=+\S' . a:end . '\ze\%($\|\s\|[''")\]}>/:.,;!?\\-]\)+'
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94 endfunction
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95
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96 function! s:DefineInlineMarkup(name, start, middle, end)
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97 let middle = a:middle != "" ?
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98 \ (' skip=+\\\\\|\\' . a:middle . '+') :
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99 \ ""
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100
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101 call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, "'", "'")
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102 call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '"', '"')
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103 call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '(', ')')
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104 call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '\[', '\]')
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105 call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '{', '}')
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106 call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '<', '>')
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107
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108 call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '\%(^\|\s\|[/:]\)', '')
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109
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110 execute 'syn match rst' . a:name .
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111 \ ' +\%(^\|\s\|[''"([{</:]\)\zs' . a:start .
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112 \ '[^[:space:]' . a:start[strlen(a:start) - 1] . ']'
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113 \ a:end . '\ze\%($\|\s\|[''")\]}>/:.,;!?\\-]\)+'
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114
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115 execute 'hi def link rst' . a:name . 'Delimiter' . ' rst' . a:name
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116 endfunction
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117
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118 call s:DefineInlineMarkup('Emphasis', '\*', '\*', '\*')
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119 call s:DefineInlineMarkup('StrongEmphasis', '\*\*', '\*', '\*\*')
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120 call s:DefineInlineMarkup('InterpretedTextOrHyperlinkReference', '`', '`', '`_\{0,2}')
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121 call s:DefineInlineMarkup('InlineLiteral', '``', "", '``')
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122 call s:DefineInlineMarkup('SubstitutionReference', '|', '|', '|_\{0,2}')
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123 call s:DefineInlineMarkup('InlineInternalTargets', '_`', '`', '`')
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124
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125 " TODO: Can’t remember why these two can’t be defined like the ones above.
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126 execute 'syn match rstFootnoteReference contains=@NoSpell' .
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127 \ ' +\[\%(\d\+\|#\%(' . s:ReferenceName . '\)\=\|\*\)\]_+'
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128
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129 execute 'syn match rstCitationReference contains=@NoSpell' .
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130 \ ' +\[' . s:ReferenceName . '\]_\ze\%($\|\s\|[''")\]}>/:.,;!?\\-]\)+'
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131
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132 execute 'syn match rstHyperlinkReference' .
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133 \ ' /\<' . s:ReferenceName . '__\=\ze\%($\|\s\|[''")\]}>/:.,;!?\\-]\)/'
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134
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135 syn match rstStandaloneHyperlink contains=@NoSpell
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136 \ "\<\%(\%(\%(https\=\|file\|ftp\|gopher\)://\|\%(mailto\|news\):\)[^[:space:]'\"<>]\+\|www[[:alnum:]_-]*\.[[:alnum:]_-]\+\.[^[:space:]'\"<>]\+\)[[:alnum:]/]"
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137
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138 " TODO: Use better syncing. I don’t know the specifics of syncing well enough,
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139 " though.
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140 syn sync minlines=50 linebreaks=1
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141
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142 hi def link rstTodo Todo
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143 hi def link rstComment Comment
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144 hi def link rstSections Type
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145 hi def link rstTransition Type
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146 hi def link rstLiteralBlock String
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147 hi def link rstQuotedLiteralBlock String
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148 hi def link rstDoctestBlock PreProc
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149 hi def link rstTableLines rstDelimiter
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150 hi def link rstSimpleTableLines rstTableLines
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151 hi def link rstExplicitMarkup rstDirective
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152 hi def link rstDirective Keyword
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153 hi def link rstFootnote String
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154 hi def link rstCitation String
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155 hi def link rstHyperlinkTarget String
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156 hi def link rstExDirective String
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157 hi def link rstSubstitutionDefinition rstDirective
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158 hi def link rstDelimiter Delimiter
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159 " TODO: I dunno...
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160 hi def rstEmphasis term=italic cterm=italic gui=italic
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161 hi def link rstStrongEmphasis Special
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162 "term=bold cterm=bold gui=bold
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163 hi def link rstInterpretedTextOrHyperlinkReference Identifier
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164 hi def link rstInlineLiteral String
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165 hi def link rstSubstitutionReference PreProc
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166 hi def link rstInlineInternalTargets Identifier
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167 hi def link rstFootnoteReference Identifier
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168 hi def link rstCitationReference Identifier
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169 hi def link rstHyperLinkReference Identifier
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170 hi def link rstStandaloneHyperlink Identifier
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171
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172 let b:current_syntax = "rst"
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173
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174 let &cpo = s:cpo_save
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175 unlet s:cpo_save
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