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" Vim syntax file
" Language: Markdown
" Maintainer: Ben Williams <benw@plasticboy.com>
" URL: http://plasticboy.com/markdown-vim-mode/
" Remark: Uses HTML syntax file
" TODO: Handle stuff contained within stuff (e.g. headings within blockquotes)
" Read the HTML syntax to start with
if v:version < 600
so <sfile>:p:h/html.vim
else
runtime! syntax/html.vim
if exists('b:current_syntax')
unlet b:current_syntax
endif
endif
if v:version < 600
syntax clear
elseif exists('b:current_syntax')
finish
endif
" don't use standard HiLink, it will not work with included syntax files
if v:version < 508
command! -nargs=+ HtmlHiLink hi link <args>
else
command! -nargs=+ HtmlHiLink hi def link <args>
endif
syn spell toplevel
syn case ignore
syn sync linebreaks=1
let s:conceal = ''
let s:concealends = ''
let s:concealcode = ''
if has('conceal') && get(g:, 'vim_markdown_conceal', 1)
let s:conceal = ' conceal'
let s:concealends = ' concealends'
endif
if has('conceal') && get(g:, 'vim_markdown_conceal_code_blocks', 1)
let s:concealcode = ' concealends'
endif
" additions to HTML groups
if get(g:, 'vim_markdown_emphasis_multiline', 1)
let s:oneline = ''
else
let s:oneline = ' oneline'
endif
syn region mkdItalic matchgroup=mkdItalic start="\%(\*\|_\)" end="\%(\*\|_\)"
syn region mkdBold matchgroup=mkdBold start="\%(\*\*\|__\)" end="\%(\*\*\|__\)"
syn region mkdBoldItalic matchgroup=mkdBoldItalic start="\%(\*\*\*\|___\)" end="\%(\*\*\*\|___\)"
execute 'syn region htmlItalic matchgroup=mkdItalic start="\%(^\|\s\)\zs\*\ze[^\\\*\t ]\%(\%([^*]\|\\\*\|\n\)*[^\\\*\t ]\)\?\*\_W" end="[^\\\*\t ]\zs\*\ze\_W" keepend contains=@Spell' . s:oneline . s:concealends
execute 'syn region htmlItalic matchgroup=mkdItalic start="\%(^\|\s\)\zs_\ze[^\\_\t ]" end="[^\\_\t ]\zs_\ze\_W" keepend contains=@Spell' . s:oneline . s:concealends
execute 'syn region htmlBold matchgroup=mkdBold start="\%(^\|\s\)\zs\*\*\ze\S" end="\S\zs\*\*" keepend contains=@Spell' . s:oneline . s:concealends
execute 'syn region htmlBold matchgroup=mkdBold start="\%(^\|\s\)\zs__\ze\S" end="\S\zs__" keepend contains=@Spell' . s:oneline . s:concealends
execute 'syn region htmlBoldItalic matchgroup=mkdBoldItalic start="\%(^\|\s\)\zs\*\*\*\ze\S" end="\S\zs\*\*\*" keepend contains=@Spell' . s:oneline . s:concealends
execute 'syn region htmlBoldItalic matchgroup=mkdBoldItalic start="\%(^\|\s\)\zs___\ze\S" end="\S\zs___" keepend contains=@Spell' . s:oneline . s:concealends
" [link](URL) | [link][id] | [link][] | 
syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^" end="\]"
execute 'syn region mkdID matchgroup=mkdDelimiter start="\[" end="\]" contained oneline' . s:conceal
execute 'syn region mkdURL matchgroup=mkdDelimiter start="(" end=")" contained oneline' . s:conceal
execute 'syn region mkdLink matchgroup=mkdDelimiter start="\\\@<!!\?\[\ze[^]\n]*\n\?[^]\n]*\][[(]" end="\]" contains=@mkdNonListItem,@Spell nextgroup=mkdURL,mkdID skipwhite' . s:concealends
" Autolink without angle brackets.
" mkd inline links: protocol optional user:pass@ sub/domain .com, .co.uk, etc optional port path/querystring/hash fragment
" ------------ _____________________ ----------------------------- _________________________ ----------------- __
syn match mkdInlineURL /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?[^] \t]*/
" Autolink with parenthesis.
syn region mkdInlineURL matchgroup=mkdDelimiter start="(\(https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?[^] \t]*)\)\@=" end=")"
" Autolink with angle brackets.
syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!<\ze[a-z][a-z0-9,.-]\{1,22}:\/\/[^> ]*>" end=">"
" Link definitions: [id]: URL (Optional Title)
syn region mkdLinkDef matchgroup=mkdDelimiter start="^ \{,3}\zs\[\^\@!" end="]:" oneline nextgroup=mkdLinkDefTarget skipwhite
syn region mkdLinkDefTarget start="<\?\zs\S" excludenl end="\ze[>[:space:]\n]" contained nextgroup=mkdLinkTitle,mkdLinkDef skipwhite skipnl oneline
syn region mkdLinkTitle matchgroup=mkdDelimiter start=+"+ end=+"+ contained
syn region mkdLinkTitle matchgroup=mkdDelimiter start=+'+ end=+'+ contained
syn region mkdLinkTitle matchgroup=mkdDelimiter start=+(+ end=+)+ contained
"HTML headings
syn region htmlH1 matchgroup=mkdHeading start="^\s*#" end="$" contains=mkdLink,mkdInlineURL,@Spell
syn region htmlH2 matchgroup=mkdHeading start="^\s*##" end="$" contains=mkdLink,mkdInlineURL,@Spell
syn region htmlH3 matchgroup=mkdHeading start="^\s*###" end="$" contains=mkdLink,mkdInlineURL,@Spell
syn region htmlH4 matchgroup=mkdHeading start="^\s*####" end="$" contains=mkdLink,mkdInlineURL,@Spell
syn region htmlH5 matchgroup=mkdHeading start="^\s*#####" end="$" contains=mkdLink,mkdInlineURL,@Spell
syn region htmlH6 matchgroup=mkdHeading start="^\s*######" end="$" contains=mkdLink,mkdInlineURL,@Spell
syn match htmlH1 /^.\+\n=\+$/ contains=mkdLink,mkdInlineURL,@Spell
syn match htmlH2 /^.\+\n-\+$/ contains=mkdLink,mkdInlineURL,@Spell
"define Markdown groups
syn match mkdLineBreak / \+$/
syn region mkdBlockquote start=/^\s*>/ end=/$/ contains=mkdLink,mkdInlineURL,mkdLineBreak,@Spell
execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!`/ end=/`/' . s:concealcode
execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!``/ skip=/[^`]`[^`]/ end=/``/' . s:concealcode
execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/^\s*\z(`\{3,}\)[^`]*$/ end=/^\s*\z1`*\s*$/' . s:concealcode
execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!\~\~/ end=/\(\([^\\]\|^\)\\\)\@<!\~\~/' . s:concealcode
execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/^\s*\z(\~\{3,}\)\s*[0-9A-Za-z_+-]*\s*$/ end=/^\s*\z1\~*\s*$/' . s:concealcode
execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start="<pre\(\|\_s[^>]*\)\\\@<!>" end="</pre>"' . s:concealcode
execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start="<code\(\|\_s[^>]*\)\\\@<!>" end="</code>"' . s:concealcode
syn region mkdFootnote start="\[^" end="\]"
syn match mkdCode /^\s*\n\(\(\s\{8,}[^ ]\|\t\t\+[^\t]\).*\n\)\+/
syn match mkdCode /\%^\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/
syn match mkdCode /^\s*\n\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/ contained
syn match mkdListItem /^\s*\%([-*+]\|\d\+\.\)\ze\s\+/ contained
syn region mkdListItemLine start="^\s*\%([-*+]\|\d\+\.\)\s\+" end="$" oneline contains=@mkdNonListItem,mkdListItem,@Spell
syn region mkdNonListItemBlock start="\(\%^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@!\|\n\(\_^\_$\|\s\{4,}[^ ]\|\t+[^\t]\)\@!\)" end="^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@=" contains=@mkdNonListItem,@Spell
syn match mkdRule /^\s*\*\s\{0,1}\*\s\{0,1}\*\(\*\|\s\)*$/
syn match mkdRule /^\s*-\s\{0,1}-\s\{0,1}-\(-\|\s\)*$/
syn match mkdRule /^\s*_\s\{0,1}_\s\{0,1}_\(_\|\s\)*$/
" YAML frontmatter
if get(g:, 'vim_markdown_frontmatter', 0)
syn include @yamlTop syntax/yaml.vim
syn region Comment matchgroup=mkdDelimiter start="\%^---$" end="^\(---\|\.\.\.\)$" contains=@yamlTop keepend
unlet! b:current_syntax
endif
if get(g:, 'vim_markdown_toml_frontmatter', 0)
try
syn include @tomlTop syntax/toml.vim
syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$" transparent contains=@tomlTop keepend
unlet! b:current_syntax
catch /E484/
syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$"
endtry
endif
if get(g:, 'vim_markdown_json_frontmatter', 0)
try
syn include @jsonTop syntax/json.vim
syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$" contains=@jsonTop keepend
unlet! b:current_syntax
catch /E484/
syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$"
endtry
endif
if get(g:, 'vim_markdown_math', 0)
syn include @tex syntax/tex.vim
syn region mkdMath start="\\\@<!\$" end="\$" skip="\\\$" contains=@tex keepend
syn region mkdMath start="\\\@<!\$\$" end="\$\$" skip="\\\$" contains=@tex keepend
endif
" Strike through
if get(g:, 'vim_markdown_strikethrough', 0)
execute 'syn region mkdStrike matchgroup=htmlStrike start="\%(\~\~\)" end="\%(\~\~\)"' . s:concealends
HtmlHiLink mkdStrike htmlStrike
endif
syn cluster mkdNonListItem contains=@htmlTop,htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath,mkdStrike
"highlighting for Markdown groups
HtmlHiLink mkdString String
HtmlHiLink mkdCode String
HtmlHiLink mkdCodeDelimiter String
HtmlHiLink mkdCodeStart String
HtmlHiLink mkdCodeEnd String
HtmlHiLink mkdFootnote Comment
HtmlHiLink mkdBlockquote Comment
HtmlHiLink mkdListItem Identifier
HtmlHiLink mkdRule Identifier
HtmlHiLink mkdLineBreak Visual
HtmlHiLink mkdFootnotes htmlLink
HtmlHiLink mkdLink htmlLink
HtmlHiLink mkdURL htmlString
HtmlHiLink mkdInlineURL htmlLink
HtmlHiLink mkdID Identifier
HtmlHiLink mkdLinkDef mkdID
HtmlHiLink mkdLinkDefTarget mkdURL
HtmlHiLink mkdLinkTitle htmlString
HtmlHiLink mkdDelimiter Delimiter
let b:current_syntax = 'mkd'
delcommand HtmlHiLink
" vim: ts=8
|
