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If you'd read over the Git project's submission guidelines and adhered to them,
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3 " Maintainer: Ben Williams <benw@plasticboy.com>
4 " URL: http://plasticboy.com/markdown-vim-mode/
5 " Remark: Uses HTML syntax file
6 " TODO: Handle stuff contained within stuff (e.g. headings within blockquotes)
9 " Read the HTML syntax to start with
11 so <sfile>:p:h/html.vim
13 runtime! syntax/html.vim
15 if exists('b:current_syntax')
16 unlet b:current_syntax
22 elseif exists("b:current_syntax")
26 " don't use standard HiLink, it will not work with included syntax files
28 command! -nargs=+ HtmlHiLink hi link <args>
30 command! -nargs=+ HtmlHiLink hi def link <args>
38 let s:concealends = ''
39 if has('conceal') && get(g:, 'vim_markdown_conceal', 1)
40 let s:conceal = ' conceal'
41 let s:concealends = ' concealends'
44 " additions to HTML groups
45 if get(g:, 'vim_markdown_emphasis_multiline', 1)
48 let s:oneline = ' oneline'
50 syn region mkdItalic matchgroup=mkdItalic start="\%(\*\|_\)" end="\%(\*\|_\)"
51 syn region mkdBold matchgroup=mkdBold start="\%(\*\*\|__\)" end="\%(\*\*\|__\)"
52 syn region mkdBoldItalic matchgroup=mkdBoldItalic start="\%(\*\*\*\|___\)" end="\%(\*\*\*\|___\)"
53 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
54 execute 'syn region htmlItalic matchgroup=mkdItalic start="\%(^\|\s\)\zs_\ze[^\\_\t ]" end="[^\\_\t ]\zs_\ze\_W" keepend contains=@Spell' . s:oneline . s:concealends
55 execute 'syn region htmlBold matchgroup=mkdBold start="\%(^\|\s\)\zs\*\*\ze\S" end="\S\zs\*\*" keepend contains=@Spell' . s:oneline . s:concealends
56 execute 'syn region htmlBold matchgroup=mkdBold start="\%(^\|\s\)\zs__\ze\S" end="\S\zs__" keepend contains=@Spell' . s:oneline . s:concealends
57 execute 'syn region htmlBoldItalic matchgroup=mkdBoldItalic start="\%(^\|\s\)\zs\*\*\*\ze\S" end="\S\zs\*\*\*" keepend contains=@Spell' . s:oneline . s:concealends
58 execute 'syn region htmlBoldItalic matchgroup=mkdBoldItalic start="\%(^\|\s\)\zs___\ze\S" end="\S\zs___" keepend contains=@Spell' . s:oneline . s:concealends
60 " [link](URL) | [link][id] | [link][] | ![image](URL)
61 syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^" end="\]"
62 execute 'syn region mkdID matchgroup=mkdDelimiter start="\[" end="\]" contained oneline' . s:conceal
63 execute 'syn region mkdURL matchgroup=mkdDelimiter start="(" end=")" contained oneline' . s:conceal
64 execute 'syn region mkdLink matchgroup=mkdDelimiter start="\\\@<!!\?\[\ze[^]\n]*\n\?[^]\n]*\][[(]" end="\]" contains=@mkdNonListItem,@Spell nextgroup=mkdURL,mkdID skipwhite' . s:concealends
66 " Autolink without angle brackets.
67 " mkd inline links: protocol optional user:pass@ sub/domain .com, .co.uk, etc optional port path/querystring/hash fragment
68 " ------------ _____________________ ----------------------------- _________________________ ----------------- __
69 syn match mkdInlineURL /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*/
71 " Autolink with parenthesis.
72 syn region mkdInlineURL matchgroup=mkdDelimiter start="(\(https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*)\)\@=" end=")"
74 " Autolink with angle brackets.
75 syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!<\ze[a-z][a-z0-9,.-]\{1,22}:\/\/[^> ]*>" end=">"
77 " Link definitions: [id]: URL (Optional Title)
78 syn region mkdLinkDef matchgroup=mkdDelimiter start="^ \{,3}\zs\[\^\@!" end="]:" oneline nextgroup=mkdLinkDefTarget skipwhite
79 syn region mkdLinkDefTarget start="<\?\zs\S" excludenl end="\ze[>[:space:]\n]" contained nextgroup=mkdLinkTitle,mkdLinkDef skipwhite skipnl oneline
80 syn region mkdLinkTitle matchgroup=mkdDelimiter start=+"+ end=+"+ contained
81 syn region mkdLinkTitle matchgroup=mkdDelimiter start=+'+ end=+'+ contained
82 syn region mkdLinkTitle matchgroup=mkdDelimiter start=+(+ end=+)+ contained
85 syn region htmlH1 start="^\s*#" end="$" contains=mkdLink,mkdInlineURL,@Spell
86 syn region htmlH2 start="^\s*##" end="$" contains=mkdLink,mkdInlineURL,@Spell
87 syn region htmlH3 start="^\s*###" end="$" contains=mkdLink,mkdInlineURL,@Spell
88 syn region htmlH4 start="^\s*####" end="$" contains=mkdLink,mkdInlineURL,@Spell
89 syn region htmlH5 start="^\s*#####" end="$" contains=mkdLink,mkdInlineURL,@Spell
90 syn region htmlH6 start="^\s*######" end="$" contains=mkdLink,mkdInlineURL,@Spell
91 syn match htmlH1 /^.\+\n=\+$/ contains=mkdLink,mkdInlineURL,@Spell
92 syn match htmlH2 /^.\+\n-\+$/ contains=mkdLink,mkdInlineURL,@Spell
94 "define Markdown groups
95 syn match mkdLineBreak / \+$/
96 syn region mkdBlockquote start=/^\s*>/ end=/$/ contains=mkdLink,mkdInlineURL,mkdLineBreak,@Spell
97 syn region mkdCode start=/\(\([^\\]\|^\)\\\)\@<!`/ end=/\(\([^\\]\|^\)\\\)\@<!`/
98 syn region mkdCode start=/\s*``[^`]*/ end=/[^`]*``\s*/
99 syn region mkdCode start=/^\s*\z(`\{3,}\)[^`]*$/ end=/^\s*\z1`*\s*$/
100 syn region mkdCode start=/\s*\~\~[^\~]*/ end=/[^\~]*\~\~\s*/
101 syn region mkdCode start=/^\s*\z(\~\{3,}\)\s*[0-9A-Za-z_+-]*\s*$/ end=/^\s*\z1\~*\s*$/
102 syn region mkdCode start="<pre[^>]*\\\@<!>" end="</pre>"
103 syn region mkdCode start="<code[^>]*\\\@<!>" end="</code>"
104 syn region mkdFootnote start="\[^" end="\]"
105 syn match mkdCode /^\s*\n\(\(\s\{8,}[^ ]\|\t\t\+[^\t]\).*\n\)\+/
106 syn match mkdCode /\%^\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/
107 syn match mkdCode /^\s*\n\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/ contained
108 syn match mkdListItem /^\s*\%([-*+]\|\d\+\.\)\ze\s\+/ contained
109 syn region mkdListItemLine start="^\s*\%([-*+]\|\d\+\.\)\s\+" end="$" oneline contains=@mkdNonListItem,mkdListItem,@Spell
110 syn region mkdNonListItemBlock start="\(\%^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@!\|\n\(\_^\_$\|\s\{4,}[^ ]\|\t+[^\t]\)\@!\)" end="^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@=" contains=@mkdNonListItem,@Spell
111 syn match mkdRule /^\s*\*\s\{0,1}\*\s\{0,1}\*\(\*\|\s\)*$/
112 syn match mkdRule /^\s*-\s\{0,1}-\s\{0,1}-\(-\|\s\)*$/
113 syn match mkdRule /^\s*_\s\{0,1}_\s\{0,1}_\(_\|\s\)*$/
116 if get(g:, 'vim_markdown_frontmatter', 0)
117 syn include @yamlTop syntax/yaml.vim
118 syn region Comment matchgroup=mkdDelimiter start="\%^---$" end="^---$" contains=@yamlTop keepend
119 unlet! b:current_syntax
122 if get(g:, 'vim_markdown_toml_frontmatter', 0)
124 syn include @tomlTop syntax/toml.vim
125 syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$" transparent contains=@tomlTop keepend
126 unlet! b:current_syntax
128 syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$"
132 if get(g:, 'vim_markdown_json_frontmatter', 0)
134 syn include @jsonTop syntax/json.vim
135 syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$" contains=@jsonTop keepend
136 unlet! b:current_syntax
138 syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$"
142 if get(g:, 'vim_markdown_math', 0)
143 syn include @tex syntax/tex.vim
144 syn region mkdMath start="\\\@<!\$" end="\$" skip="\\\$" contains=@tex keepend
145 syn region mkdMath start="\\\@<!\$\$" end="\$\$" skip="\\\$" contains=@tex keepend
149 if get(g:, 'vim_markdown_strikethrough', 0)
150 syn region mkdStrike matchgroup=mkdStrike start="\%(\~\~\)" end="\%(\~\~\)"
151 HtmlHiLink mkdStrike htmlStrike
154 syn cluster mkdNonListItem contains=@htmlTop,htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath
156 "highlighting for Markdown groups
157 HtmlHiLink mkdString String
158 HtmlHiLink mkdCode String
159 HtmlHiLink mkdCodeStart String
160 HtmlHiLink mkdCodeEnd String
161 HtmlHiLink mkdFootnote Comment
162 HtmlHiLink mkdBlockquote Comment
163 HtmlHiLink mkdListItem Identifier
164 HtmlHiLink mkdRule Identifier
165 HtmlHiLink mkdLineBreak Visual
166 HtmlHiLink mkdFootnotes htmlLink
167 HtmlHiLink mkdLink htmlLink
168 HtmlHiLink mkdURL htmlString
169 HtmlHiLink mkdInlineURL htmlLink
170 HtmlHiLink mkdID Identifier
171 HtmlHiLink mkdLinkDef mkdID
172 HtmlHiLink mkdLinkDefTarget mkdURL
173 HtmlHiLink mkdLinkTitle htmlString
174 HtmlHiLink mkdDelimiter Delimiter
176 let b:current_syntax = "mkd"
178 delcommand HtmlHiLink