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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>
37 "additions to HTML groups
38 syn region htmlItalic start="\\\@<!\*\S\@=" end="\S\@<=\\\@<!\*" keepend oneline
39 syn region htmlItalic start="\(^\|\s\)\@<=_\|\\\@<!_\([^_]\+\s\)\@=" end="\S\@<=[^\\]_\|[^\\]_\S\@=" keepend oneline
40 syn region htmlBold start="\S\@<=\*\*\|\*\*\S\@=" end="\S\@<=\*\*\|\*\*\S\@=" keepend oneline
41 syn region htmlBold start="\S\@<=__\|__\S\@=" end="\S\@<=__\|__\S\@=" keepend oneline
42 syn region htmlBoldItalic start="\S\@<=\*\*\*\|\*\*\*\S\@=" end="\S\@<=\*\*\*\|\*\*\*\S\@=" keepend oneline
43 syn region htmlBoldItalic start="\S\@<=___\|___\S\@=" end="\S\@<=___\|___\S\@=" keepend oneline
45 " [link](URL) | [link][id] | [link][] | ![image](URL)
46 syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^" end="\]"
47 syn region mkdID matchgroup=mkdDelimiter start="\[" end="\]" contained oneline
48 syn region mkdURL matchgroup=mkdDelimiter start="(" end=")" contained oneline
49 syn region mkdLink matchgroup=mkdDelimiter start="\\\@<!!\?\[" end="\]\ze\s*[[(]" contains=@mkdNonListItem,@Spell nextgroup=mkdURL,mkdID skipwhite oneline
51 " Autolink without angle brackets.
52 " mkd inline links: protocol optional user:pass@ sub/domain .com, .co.uk, etc optional port path/querystring/hash fragment
53 " ------------ _____________________ --------------------------- ________________________ ----------------- __
54 syntax match mkdInlineURL /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*/
56 let s:protocols = 'coap\|doi\|javascript\|aaa\|aaas\|about\|acap\|cap\|cid\|crid\|data\|dav\|dict\|dns\|file\|ftp\|geo\|go\|gopher\|h323\|http\|https\|iax\|icap\|im\|imap\|info\|ipp\|iris\|iris.beep\|iris.xpc\|iris.xpcs\|iris.lwz\|ldap\|mailto\|mid\|msrp\|msrps\|mtqp\|mupdate\|news\|nfs\|ni\|nih\|nntp\|opaquelocktoken\|pop\|pres\|rtsp\|service\|session\|shttp\|sieve\|sip\|sips\|sms\|snmp,soap.beep\|soap.beeps\|tag\|tel\|telnet\|tftp\|thismessage\|tn3270\|tip\|tv\|urn\|vemmi\|ws\|wss\|xcon\|xcon-userid\|xmlrpc.beep\|xmlrpc.beeps\|xmpp\|z39.50r\|z39.50s\|adiumxtra\|afp\|afs\|aim\|apt,attachment\|aw\|beshare\|bitcoin\|bolo\|callto\|chrome,chrome-extension\|com-eventbrite-attendee\|content\|cvs,dlna-playsingle\|dlna-playcontainer\|dtn\|dvb\|ed2k\|facetime\|feed\|finger\|fish\|gg\|git\|gizmoproject\|gtalk\|hcp\|icon\|ipn\|irc\|irc6\|ircs\|itms\|jar\|jms\|keyparc\|lastfm\|ldaps\|magnet\|maps\|market,message\|mms\|ms-help\|msnim\|mumble\|mvn\|notes\|oid\|palm\|paparazzi\|platform\|proxy\|psyc\|query\|res\|resource\|rmi\|rsync\|rtmp\|secondlife\|sftp\|sgn\|skype\|smb\|soldat\|spotify\|ssh\|steam\|svn\|teamspeak\|things\|udp\|unreal\|ut2004\|ventrilo\|view-source\|webcal\|wtai\|wyciwyg\|xfire\|xri\|ymsgr'
58 " Autolink with parenthesis.
59 execute 'syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!(\(\(' . s:protocols . '\):\/\/[^) ]*)\)\@=" end=")"'
61 " Autolink with angle brackets.
62 execute 'syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!<\(\(' . s:protocols . '\):\/\/[^> ]*>\)\@=" end=">"'
64 " Link definitions: [id]: URL (Optional Title)
65 syn region mkdLinkDef matchgroup=mkdDelimiter start="^ \{,3}\zs\[" end="]:" oneline nextgroup=mkdLinkDefTarget skipwhite
66 syn region mkdLinkDefTarget start="<\?\zs\S" excludenl end="\ze[>[:space:]\n]" contained nextgroup=mkdLinkTitle,mkdLinkDef skipwhite skipnl oneline
67 syn region mkdLinkTitle matchgroup=mkdDelimiter start=+"+ end=+"+ contained
68 syn region mkdLinkTitle matchgroup=mkdDelimiter start=+'+ end=+'+ contained
69 syn region mkdLinkTitle matchgroup=mkdDelimiter start=+(+ end=+)+ contained
71 "define Markdown groups
72 syn match mkdLineContinue ".$" contained
73 syn match mkdLineBreak / \+$/
74 syn region mkdBlockquote start=/^\s*>/ end=/$/ contains=mkdLineBreak,mkdLineContinue,@Spell
75 syn region mkdCode start=/\(\([^\\]\|^\)\\\)\@<!`/ end=/\(\([^\\]\|^\)\\\)\@<!`/
76 syn region mkdCode start=/\s*``[^`]*/ end=/[^`]*``\s*/
77 syn region mkdCode start=/^\s*```\s*[0-9A-Za-z_+-]*\s*$/ end=/^\s*```\s*$/
78 syn region mkdCode start=/\s*\~\~[^\~]*/ end=/[^\~]*\~\~\s*/
79 syn region mkdCode start=/^\s*\~\~\~\s*[0-9A-Za-z_+-]*\s*$/ end=/^\s*\~\~\~\s*$/
80 syn region mkdCode start="<pre[^>]*>" end="</pre>"
81 syn region mkdCode start="<code[^>]*>" end="</code>"
82 syn region mkdFootnote start="\[^" end="\]"
83 syn match mkdCode /^\s*\n\(\(\s\{8,}[^ ]\|\t\t\+[^\t]\).*\n\)\+/
84 syn match mkdIndentCode /^\s*\n\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/ contained
85 syn region mkdListItemLine matchgroup=mkdListItem start="^\s*\%([-*+]\|\d\+\.\)\s\+" end="$" contains=@mkdNonListItem,@Spell
86 syn region mkdNonListItemBlock start="\n\(\_^\_$\|\s\{4,}[^ ]\|\t+[^\t]\)\@!" end="^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@=" contains=@mkdNonListItem,@Spell
87 syn match mkdRule /^\s*\*\s\{0,1}\*\s\{0,1}\*$/
88 syn match mkdRule /^\s*-\s\{0,1}-\s\{0,1}-$/
89 syn match mkdRule /^\s*_\s\{0,1}_\s\{0,1}_$/
90 syn match mkdRule /^\s*-\{3,}$/
91 syn match mkdRule /^\s*\*\{3,5}$/
94 syn region htmlH1 start="^\s*#" end="$" contains=@Spell
95 syn region htmlH2 start="^\s*##" end="$" contains=@Spell
96 syn region htmlH3 start="^\s*###" end="$" contains=@Spell
97 syn region htmlH4 start="^\s*####" end="$" contains=@Spell
98 syn region htmlH5 start="^\s*#####" end="$" contains=@Spell
99 syn region htmlH6 start="^\s*######" end="$" contains=@Spell
100 syn match htmlH1 /^.\+\n=\+$/ contains=@Spell
101 syn match htmlH2 /^.\+\n-\+$/ contains=@Spell
104 if get(g:, 'vim_markdown_frontmatter', 0)
105 syn include @yamlTop syntax/yaml.vim
106 syn region Comment matchgroup=mkdDelimiter start="\%^---$" end="^---$" contains=@yamlTop
109 if get(g:, 'vim_markdown_math', 0)
110 syn include @tex syntax/tex.vim
111 syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$" end="\$" contains=@tex
112 syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$\$" end="\$\$" contains=@tex
115 syn cluster mkdNonListItem contains=@htmlTop,htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdIndentCode,mkdListItem,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath
117 "highlighting for Markdown groups
118 HtmlHiLink mkdString String
119 HtmlHiLink mkdCode String
120 HtmlHiLink mkdIndentCode String
121 HtmlHiLink mkdFootnote Comment
122 HtmlHiLink mkdBlockquote Comment
123 HtmlHiLink mkdLineContinue Comment
124 HtmlHiLink mkdListItem Identifier
125 HtmlHiLink mkdRule Identifier
126 HtmlHiLink mkdLineBreak Todo
127 HtmlHiLink mkdFootnotes htmlLink
128 HtmlHiLink mkdLink htmlLink
129 HtmlHiLink mkdURL htmlString
130 HtmlHiLink mkdInlineURL htmlLink
131 HtmlHiLink mkdID Identifier
132 HtmlHiLink mkdLinkDef mkdID
133 HtmlHiLink mkdLinkDefTarget mkdURL
134 HtmlHiLink mkdLinkTitle htmlString
135 HtmlHiLink mkdDelimiter Delimiter
137 let b:current_syntax = "mkd"
139 delcommand HtmlHiLink