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-rw-r--r--runtime/syntax/markdown.vim169
1 files changed, 169 insertions, 0 deletions
diff --git a/runtime/syntax/markdown.vim b/runtime/syntax/markdown.vim
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--- /dev/null
+++ b/runtime/syntax/markdown.vim
@@ -0,0 +1,169 @@
+" Vim syntax file
+" Language: Markdown
+" Maintainer: Tim Pope <vimNOSPAM@tpope.org>
+" Filenames: *.markdown
+" Last Change: 2020 Jan 14
+
+if exists("b:current_syntax")
+ finish
+endif
+
+if !exists('main_syntax')
+ let main_syntax = 'markdown'
+endif
+
+runtime! syntax/html.vim
+unlet! b:current_syntax
+
+if !exists('g:markdown_fenced_languages')
+ let g:markdown_fenced_languages = []
+endif
+let s:done_include = {}
+for s:type in map(copy(g:markdown_fenced_languages),'matchstr(v:val,"[^=]*$")')
+ if has_key(s:done_include, matchstr(s:type,'[^.]*'))
+ continue
+ endif
+ if s:type =~ '\.'
+ let b:{matchstr(s:type,'[^.]*')}_subtype = matchstr(s:type,'\.\zs.*')
+ endif
+ exe 'syn include @markdownHighlight'.substitute(s:type,'\.','','g').' syntax/'.matchstr(s:type,'[^.]*').'.vim'
+ unlet! b:current_syntax
+ let s:done_include[matchstr(s:type,'[^.]*')] = 1
+endfor
+unlet! s:type
+unlet! s:done_include
+
+if !exists('g:markdown_minlines')
+ let g:markdown_minlines = 50
+endif
+execute 'syn sync minlines=' . g:markdown_minlines
+syn case ignore
+
+syn match markdownValid '[<>]\c[a-z/$!]\@!' transparent contains=NONE
+syn match markdownValid '&\%(#\=\w*;\)\@!' transparent contains=NONE
+
+syn match markdownLineStart "^[<@]\@!" nextgroup=@markdownBlock,htmlSpecialChar
+
+syn cluster markdownBlock contains=markdownH1,markdownH2,markdownH3,markdownH4,markdownH5,markdownH6,markdownBlockquote,markdownListMarker,markdownOrderedListMarker,markdownCodeBlock,markdownRule
+syn cluster markdownInline contains=markdownLineBreak,markdownLinkText,markdownItalic,markdownBold,markdownCode,markdownEscape,@htmlTop,markdownError,markdownValid
+
+syn match markdownH1 "^.\+\n=\+$" contained contains=@markdownInline,markdownHeadingRule,markdownAutomaticLink
+syn match markdownH2 "^.\+\n-\+$" contained contains=@markdownInline,markdownHeadingRule,markdownAutomaticLink
+
+syn match markdownHeadingRule "^[=-]\+$" contained
+
+syn region markdownH1 matchgroup=markdownH1Delimiter start="##\@!" end="#*\s*$" keepend oneline contains=@markdownInline,markdownAutomaticLink contained
+syn region markdownH2 matchgroup=markdownH2Delimiter start="###\@!" end="#*\s*$" keepend oneline contains=@markdownInline,markdownAutomaticLink contained
+syn region markdownH3 matchgroup=markdownH3Delimiter start="####\@!" end="#*\s*$" keepend oneline contains=@markdownInline,markdownAutomaticLink contained
+syn region markdownH4 matchgroup=markdownH4Delimiter start="#####\@!" end="#*\s*$" keepend oneline contains=@markdownInline,markdownAutomaticLink contained
+syn region markdownH5 matchgroup=markdownH5Delimiter start="######\@!" end="#*\s*$" keepend oneline contains=@markdownInline,markdownAutomaticLink contained
+syn region markdownH6 matchgroup=markdownH6Delimiter start="#######\@!" end="#*\s*$" keepend oneline contains=@markdownInline,markdownAutomaticLink contained
+
+syn match markdownBlockquote ">\%(\s\|$\)" contained nextgroup=@markdownBlock
+
+syn region markdownCodeBlock start=" \|\t" end="$" contained
+
+" TODO: real nesting
+syn match markdownListMarker "\%(\t\| \{0,4\}\)[-*+]\%(\s\+\S\)\@=" contained
+syn match markdownOrderedListMarker "\%(\t\| \{0,4}\)\<\d\+\.\%(\s\+\S\)\@=" contained
+
+syn match markdownRule "\* *\* *\*[ *]*$" contained
+syn match markdownRule "- *- *-[ -]*$" contained
+
+syn match markdownLineBreak " \{2,\}$"
+
+syn region markdownIdDeclaration matchgroup=markdownLinkDelimiter start="^ \{0,3\}!\=\[" end="\]:" oneline keepend nextgroup=markdownUrl skipwhite
+syn match markdownUrl "\S\+" nextgroup=markdownUrlTitle skipwhite contained
+syn region markdownUrl matchgroup=markdownUrlDelimiter start="<" end=">" oneline keepend nextgroup=markdownUrlTitle skipwhite contained
+syn region markdownUrlTitle matchgroup=markdownUrlTitleDelimiter start=+"+ end=+"+ keepend contained
+syn region markdownUrlTitle matchgroup=markdownUrlTitleDelimiter start=+'+ end=+'+ keepend contained
+syn region markdownUrlTitle matchgroup=markdownUrlTitleDelimiter start=+(+ end=+)+ keepend contained
+
+syn region markdownLinkText matchgroup=markdownLinkTextDelimiter start="!\=\[\%(\%(\_[^][]\|\[\_[^][]*\]\)*]\%( \=[[(]\)\)\@=" end="\]\%( \=[[(]\)\@=" nextgroup=markdownLink,markdownId skipwhite contains=@markdownInline,markdownLineStart
+syn region markdownLink matchgroup=markdownLinkDelimiter start="(" end=")" contains=markdownUrl keepend contained
+syn region markdownId matchgroup=markdownIdDelimiter start="\[" end="\]" keepend contained
+syn region markdownAutomaticLink matchgroup=markdownUrlDelimiter start="<\%(\w\+:\|[[:alnum:]_+-]\+@\)\@=" end=">" keepend oneline
+
+let s:concealends = ''
+if has('conceal') && get(g:, 'markdown_syntax_conceal', 1) == 1
+ let s:concealends = ' concealends'
+endif
+exe 'syn region markdownItalic matchgroup=markdownItalicDelimiter start="\S\@<=\*\|\*\S\@=" end="\S\@<=\*\|\*\S\@=" skip="\\\*" contains=markdownLineStart,@Spell' . s:concealends
+exe 'syn region markdownItalic matchgroup=markdownItalicDelimiter start="\w\@<!_\S\@=" end="\S\@<=_\w\@!" skip="\\_" contains=markdownLineStart,@Spell' . s:concealends
+exe 'syn region markdownBold matchgroup=markdownBoldDelimiter start="\S\@<=\*\*\|\*\*\S\@=" end="\S\@<=\*\*\|\*\*\S\@=" skip="\\\*" contains=markdownLineStart,markdownItalic,@Spell' . s:concealends
+exe 'syn region markdownBold matchgroup=markdownBoldDelimiter start="\w\@<!__\S\@=" end="\S\@<=__\w\@!" skip="\\_" contains=markdownLineStart,markdownItalic,@Spell' . s:concealends
+exe 'syn region markdownBoldItalic matchgroup=markdownBoldItalicDelimiter start="\S\@<=\*\*\*\|\*\*\*\S\@=" end="\S\@<=\*\*\*\|\*\*\*\S\@=" skip="\\\*" contains=markdownLineStart,@Spell' . s:concealends
+exe 'syn region markdownBoldItalic matchgroup=markdownBoldItalicDelimiter start="\w\@<!___\S\@=" end="\S\@<=___\w\@!" skip="\\_" contains=markdownLineStart,@Spell' . s:concealends
+
+syn region markdownCode matchgroup=markdownCodeDelimiter start="`" end="`" keepend contains=markdownLineStart
+syn region markdownCode matchgroup=markdownCodeDelimiter start="`` \=" end=" \=``" keepend contains=markdownLineStart
+syn region markdownCode matchgroup=markdownCodeDelimiter start="^\s*````*.*$" end="^\s*````*\ze\s*$" keepend
+
+syn match markdownFootnote "\[^[^\]]\+\]"
+syn match markdownFootnoteDefinition "^\[^[^\]]\+\]:"
+
+if main_syntax ==# 'markdown'
+ let s:done_include = {}
+ for s:type in g:markdown_fenced_languages
+ if has_key(s:done_include, matchstr(s:type,'[^.]*'))
+ continue
+ endif
+ exe 'syn region markdownHighlight'.substitute(matchstr(s:type,'[^=]*$'),'\..*','','').' matchgroup=markdownCodeDelimiter start="^\s*````*\s*\%({.\{-}\.\)\='.matchstr(s:type,'[^=]*').'}\=\S\@!.*$" end="^\s*````*\ze\s*$" keepend contains=@markdownHighlight'.substitute(matchstr(s:type,'[^=]*$'),'\.','','g') . s:concealends
+ let s:done_include[matchstr(s:type,'[^.]*')] = 1
+ endfor
+ unlet! s:type
+ unlet! s:done_include
+endif
+
+syn match markdownEscape "\\[][\\`*_{}()<>#+.!-]"
+syn match markdownError "\w\@<=_\w\@="
+
+hi def link markdownH1 htmlH1
+hi def link markdownH2 htmlH2
+hi def link markdownH3 htmlH3
+hi def link markdownH4 htmlH4
+hi def link markdownH5 htmlH5
+hi def link markdownH6 htmlH6
+hi def link markdownHeadingRule markdownRule
+hi def link markdownH1Delimiter markdownHeadingDelimiter
+hi def link markdownH2Delimiter markdownHeadingDelimiter
+hi def link markdownH3Delimiter markdownHeadingDelimiter
+hi def link markdownH4Delimiter markdownHeadingDelimiter
+hi def link markdownH5Delimiter markdownHeadingDelimiter
+hi def link markdownH6Delimiter markdownHeadingDelimiter
+hi def link markdownHeadingDelimiter Delimiter
+hi def link markdownOrderedListMarker markdownListMarker
+hi def link markdownListMarker htmlTagName
+hi def link markdownBlockquote Comment
+hi def link markdownRule PreProc
+
+hi def link markdownFootnote Typedef
+hi def link markdownFootnoteDefinition Typedef
+
+hi def link markdownLinkText htmlLink
+hi def link markdownIdDeclaration Typedef
+hi def link markdownId Type
+hi def link markdownAutomaticLink markdownUrl
+hi def link markdownUrl Float
+hi def link markdownUrlTitle String
+hi def link markdownIdDelimiter markdownLinkDelimiter
+hi def link markdownUrlDelimiter htmlTag
+hi def link markdownUrlTitleDelimiter Delimiter
+
+hi def link markdownItalic htmlItalic
+hi def link markdownItalicDelimiter markdownItalic
+hi def link markdownBold htmlBold
+hi def link markdownBoldDelimiter markdownBold
+hi def link markdownBoldItalic htmlBoldItalic
+hi def link markdownBoldItalicDelimiter markdownBoldItalic
+hi def link markdownCodeDelimiter Delimiter
+
+hi def link markdownEscape Special
+hi def link markdownError Error
+
+let b:current_syntax = "markdown"
+if main_syntax ==# 'markdown'
+ unlet main_syntax
+endif
+
+" vim:set sw=2: