updated for version 7.0d
diff --git a/runtime/syntax/rst.vim b/runtime/syntax/rst.vim
index 70ec47e..6e24251 100644
--- a/runtime/syntax/rst.vim
+++ b/runtime/syntax/rst.vim
@@ -1,7 +1,7 @@
" Vim syntax file
" Language: reStructuredText documentation format
-" Maintainer: Nikolai Weibull <nikolai+work.vim@bitwi.se>
-" Latest Revision: 2006-03-26
+" Maintainer: Nikolai Weibull <now@bitwi.se>
+" Latest Revision: 2006-04-09
if exists("b:current_syntax")
finish
@@ -10,90 +10,167 @@
let s:cpo_save = &cpo
set cpo&vim
-syn keyword rstTodo contained FIXME TODO XXX NOTE
-
syn case ignore
-syn region rstComment start='^\.\.\%( \%([a-z0-9_.-]\+::\)\@!\|$\)'
- \ end='^\s\@!' contains=rstTodo
+" FIXME: The problem with these two is that Vim doesn’t seem to like
+" matching across line boundaries.
+"
+" syn match rstSections /^.*\n[=`:.'"~^_*+#-]\+$/
-syn cluster rstCruft contains=rstFootnoteLabel,rstCitationLabel,
- \ rstSubstitutionLabel,rstInline,
- \ rstHyperlinks,rstInternalTarget
+" syn match rstTransition /^\s*[=`:.'"~^_*+#-]\{4,}\s*$/
-syn region rstBlock matchgroup=rstDelimiter
- \ start='::$' skip='^$' end='^\s\@!'
-syn region rstDoctestBlock matchgroup=rstDelimiter
- \ start='^>>>\s' end='^$'
+syn cluster rstCruft contains=rstEmphasis,rstStrongEmphasis,
+ \ rstInterpretedText,rstInlineLiteral,rstSubstitutionReference,
+ \ rstInlineInternalTargets,rstFootnoteReference,rstHyperlinkReference
-" TODO: these may actually be a bit too complicated to match correctly and
-" should perhaps be removed. We won't really needs it anyway?
-syn region rstTable transparent start='^\n\s*+[-=+]\+' end='^$'
- \ contains=rstTableLines,@rstCruft
-syn match rstTableLines contained '^\s*[|+=-]\+$'
-syn region rstSimpleTable transparent
- \ start='^\n\%(\s*\)\@>\%(\%(=\+\)\@>\%(\s\+\)\@>\)\%(\%(\%(=\+\)\@>\%(\s*\)\@>\)\+\)\@>$'
- \ end='^$'
- \ contains=rstSimpleTableLines,@rstCruft
-syn match rstSimpleTableLines contained display
- \ '^\%(\s*\)\@>\%(\%(=\+\)\@>\%(\s\+\)\@>\)\%(\%(\%(=\+\)\@>\%(\s*\)\@>\)\+\)\@>$'
+syn region rstLiteralBlock matchgroup=rstDelimiter
+ \ start='::\_s*\n\ze\z(\s\+\)' skip='^$' end='^\z1\@!'
+ \ contains=@NoSpell
-syn region rstFootnote matchgroup=rstDirective
- \ start='^\.\. \[\%([#*]\|[0-9]\+\|#[a-z0-9_.-]\+\)\]\s'
- \ end='^\s\@!' contains=@rstCruft
-syn match rstFootnoteLabel '\[\%([#*]\|[0-9]\+\|#[a-z0-9_.-]\+\)\]_'
+syn region rstQuotedLiteralBlock matchgroup=rstDelimiter
+ \ start="::\_s*\n\ze\z([!\"#$%&'()*+,-./:;<=>?@[\]^_`{|}~]\)"
+ \ end='^\z1\@!' contains=@NoSpell
-syn region rstCitation matchgroup=rstDirective
- \ start='^\.\. \[[a-z0-9_.-]\+\]\s'
- \ end='^\s\@!' contains=@rstCruft
-syn match rstCitationLabel '\[[a-z0-9_.-]\+\]_'
+syn region rstDoctestBlock oneline display matchgroup=rstDelimiter
+ \ start='^>>>\s' end='^$'
-syn region rstDirectiveBody matchgroup=rstDirective
- \ start='^\.\. [a-z0-9_.-]\+::'
- \ end='^\s\@!'
+syn region rstTable transparent start='^\n\s*+[-=+]\+' end='^$'
+ \ contains=rstTableLines,@rstCruft
+syn match rstTableLines contained display '|\|+\%(=\+\|-\+\)\='
-syn region rstSubstitution matchgroup=rstDirective
- \ start='^\.\. |[a-z0-9_.-]|\s[a-z0-9_.-]\+::\s'
- \ end='^\s\@!' contains=@rstCruft
-syn match rstSubstitutionLbl '|[a-z0-9_.-]|'
+syn region rstSimpleTable transparent
+ \ start='^\n\%(\s*\)\@>\%(\%(=\+\)\@>\%(\s\+\)\@>\)\%(\%(\%(=\+\)\@>\%(\s*\)\@>\)\+\)\@>$'
+ \ end='^$'
+ \ contains=rstSimpleTableLines,@rstCruft
+syn match rstSimpleTableLines contained display
+ \ '^\%(\s*\)\@>\%(\%(=\+\)\@>\%(\s\+\)\@>\)\%(\%(\%(=\+\)\@>\%(\s*\)\@>\)\+\)\@>$'
+syn match rstSimpleTableLines contained display
+ \ '^\%(\s*\)\@>\%(\%(-\+\)\@>\%(\s\+\)\@>\)\%(\%(\%(-\+\)\@>\%(\s*\)\@>\)\+\)\@>$'
-syn match rstInline '\*\{1,2}\S\%([^*]*\S\)\=\*\{1,2}'
-syn match rstInline '`\{1,2}\S\%([^`]*\S\)\=`\{1,2}'
+syn cluster rstDirectives contains=rstFootnote,rstCitation,
+ \ rstHyperlinkTarget,rstExDirective
-syn region rstHyperlinks matchgroup=RstDirective
- \ start='^\.\. _[a-z0-9_. -]\+:\s'
- \ end='^\s\@!' contains=@rstCruft
+syn match rstExplicitMarkup '^\.\.\s'
+ \ nextgroup=@rstDirectives,rstComment,rstSubstitutionDefinition
-syn match rstHyperlinksLabel '`\S\%([^`]*\S\)\=`__\=\>'
-syn match rstHyperlinksLabel '\w\+__\=\>'
+let s:ReferenceName = '[[:alnum:]]\+\%([_.-][[:alnum:]]\+\)*'
-syn match rstInternalTarget '_`\S\%([^`]*\S\)\=`'
+syn keyword rstTodo contained FIXME TODO XXX NOTE
-syn match rstListItem '^:\w\+\%(\s\+\w\+\)*:'
-syn match rstListItem '^\s*[-*+]\s\+'
+execute 'syn region rstComment contained' .
+ \ ' start=/.*/'
+ \ ' end=/^\s\@!/ contains=rstTodo'
+execute 'syn region rstFootnote contained matchgroup=rstDirective' .
+ \ ' start=+\[\%(\d\+\|#\%(' . s:ReferenceName . '\)\=\|\*\)\]\_s+' .
+ \ ' skip=+^$+' .
+ \ ' end=+^\s\@!+ contains=@rstCruft,@NoSpell'
+
+execute 'syn region rstCitation contained matchgroup=rstDirective' .
+ \ ' start=+\[' . s:ReferenceName . '\]\_s+' .
+ \ ' skip=+^$+' .
+ \ ' end=+^\s\@!+ contains=@rstCruft,@NoSpell'
+
+syn region rstHyperlinkTarget contained matchgroup=rstDirective
+ \ start='_\%(_\|[^:\\]*\%(\\.[^:\\]*\)*\):\_s' skip=+^$+ end=+^\s\@!+
+
+syn region rstHyperlinkTarget contained matchgroup=rstDirective
+ \ start='_`[^`\\]*\%(\\.[^`\\]*\)*`:\_s' skip=+^$+ end=+^\s\@!+
+
+syn region rstHyperlinkTarget matchgroup=rstDirective
+ \ start=+^__\_s+ skip=+^$+ end=+^\s\@!+
+
+execute 'syn region rstExDirective contained matchgroup=rstDirective' .
+ \ ' start=+' . s:ReferenceName . '::\_s+' .
+ \ ' skip=+^$+' .
+ \ ' end=+^\s\@!+ contains=@rstCruft'
+
+execute 'syn match rstSubstitutionDefinition contained' .
+ \ ' /|' . s:ReferenceName . '|\_s\+/ nextgroup=@rstDirectives'
+
+function! s:DefineOneInlineMarkup(name, start, middle, end, char_left, char_right)
+ execute 'syn region rst' . a:name .
+ \ ' start=+' . a:char_left . '\zs' . a:start .
+ \ '[^[:space:]' . a:char_right . a:start[strlen(a:start) - 1] . ']+' .
+ \ a:middle .
+ \ ' end=+\S' . a:end . '\ze\%($\|\s\|[''")\]}>/:.,;!?\\-]\)+'
+endfunction
+
+function! s:DefineInlineMarkup(name, start, middle, end)
+ let middle = a:middle != "" ?
+ \ (' skip=+\\\\\|\\' . a:middle . '+') :
+ \ ""
+
+ call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, "'", "'")
+ call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '"', '"')
+ call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '(', ')')
+ call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '\[', '\]')
+ call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '{', '}')
+ call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '<', '>')
+
+ call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, '\%(^\|\s\|[/:]\)', '')
+
+ execute 'syn match rst' . a:name .
+ \ ' +\%(^\|\s\|[''"([{</:]\)\zs' . a:start .
+ \ '[^[:space:]' . a:start[strlen(a:start) - 1] . ']'
+ \ a:end . '\ze\%($\|\s\|[''")\]}>/:.,;!?\\-]\)+'
+
+ execute 'hi def link rst' . a:name . 'Delimiter' . ' rst' . a:name
+endfunction
+
+call s:DefineInlineMarkup('Emphasis', '\*', '\*', '\*')
+call s:DefineInlineMarkup('StrongEmphasis', '\*\*', '\*', '\*\*')
+call s:DefineInlineMarkup('InterpretedTextOrHyperlinkReference', '`', '`', '`_\{0,2}')
+call s:DefineInlineMarkup('InlineLiteral', '``', "", '``')
+call s:DefineInlineMarkup('SubstitutionReference', '|', '|', '|_\{0,2}')
+call s:DefineInlineMarkup('InlineInternalTargets', '_`', '`', '`')
+
+" TODO: Can’t remember why these two can’t be defined like the ones above.
+execute 'syn match rstFootnoteReference contains=@NoSpell' .
+ \ ' +\[\%(\d\+\|#\%(' . s:ReferenceName . '\)\=\|\*\)\]_+'
+
+execute 'syn match rstCitationReference contains=@NoSpell' .
+ \ ' +\[' . s:ReferenceName . '\]_+'
+
+execute 'syn match rstHyperlinkReference' .
+ \ ' /\<' . s:ReferenceName . '__\=/'
+
+syn match rstStandaloneHyperlink contains=@NoSpell
+ \ "\<\%(\%(\%(https\=\|file\|ftp\|gopher\)://\|\%(mailto\|news\):\)[^[:space:]'\"<>]\+\|www[[:alnum:]_-]*\.[[:alnum:]_-]\+\.[^[:space:]'\"<>]\+\)[[:alnum:]/]"
+
+" TODO: Use better syncing. I don’t know the specifics of syncing well enough,
+" though.
syn sync minlines=50
-hi def link rstTodo Todo
-hi def link rstComment Comment
-hi def link rstDelimiter Delimiter
-hi def link rstBlock String
-hi def link rstDoctestBlock PreProc
-hi def link rstTableLines Delimiter
-hi def link rstSimpleTableLines rstTableLines
-hi def link rstFootnote String
-hi def link rstFootnoteLabel Identifier
-hi def link rstCitation String
-hi def link rstCitationLabel Identifier
-hi def link rstDirective Keyword
-hi def link rstDirectiveBody Type
-hi def link rstSubstitution String
-hi def link rstSubstitutionLbl Identifier
-hi def link rstHyperlinks String
-hi def link rstHyperlinksLabel Identifier
-hi def link rstListItem Identifier
-hi def rstInline term=italic cterm=italic gui=italic
-hi def rstInternalTarget term=italic cterm=italic gui=italic
+hi def link rstTodo Todo
+hi def link rstComment Comment
+"hi def link rstSections Type
+"hi def link rstTransition Type
+hi def link rstLiteralBlock String
+hi def link rstQuotedLiteralBlock String
+hi def link rstDoctestBlock PreProc
+hi def link rstTableLines rstDelimiter
+hi def link rstSimpleTableLines rstTableLines
+hi def link rstExplicitMarkup rstDirective
+hi def link rstDirective Keyword
+hi def link rstFootnote String
+hi def link rstCitation String
+hi def link rstHyperlinkTarget String
+hi def link rstExDirective String
+hi def link rstSubstitutionDefinition rstDirective
+hi def link rstDelimiter Delimiter
+" TODO: I dunno...
+hi def rstEmphasis term=italic cterm=italic gui=italic
+hi def link rstStrongEmphasis Special
+"term=bold cterm=bold gui=bold
+hi def link rstInterpretedTextOrHyperlinkReference Identifier
+hi def link rstInlineLiteral String
+hi def link rstSubstitutionReference PreProc
+hi def link rstInlineInternalTargets Identifier
+hi def link rstFootnoteReference Identifier
+hi def link rstCitationReference Identifier
+hi def link rstHyperLinkReference Identifier
+hi def link rstStandaloneHyperlink Identifier
let b:current_syntax = "rst"