"additions to HTML groups
syn region htmlItalic start="\\\@<!\*\S\@=" end="\S\@<=\\\@<!\*" keepend oneline
-syn region htmlItalic start="\(^\|\s\)\@<=_\|\\\@<!_\([^_]\+\s\)\@=" end="\S\@<=_\|_\S\@=" keepend oneline
+syn region htmlItalic start="\(^\|\s\)\@<=_\|\\\@<!_\([^_]\+\s\)\@=" end="\S\@<=[^\\]_\|[^\\]_\S\@=" keepend oneline
syn region htmlBold start="\S\@<=\*\*\|\*\*\S\@=" end="\S\@<=\*\*\|\*\*\S\@=" keepend oneline
syn region htmlBold start="\S\@<=__\|__\S\@=" end="\S\@<=__\|__\S\@=" keepend oneline
syn region htmlBoldItalic start="\S\@<=\*\*\*\|\*\*\*\S\@=" end="\S\@<=\*\*\*\|\*\*\*\S\@=" keepend oneline
syn region htmlBoldItalic start="\S\@<=___\|___\S\@=" end="\S\@<=___\|___\S\@=" keepend oneline
-" [link](URL) | [link][id] | [link][]
+" [link](URL) | [link][id] | [link][] | ![image](URL)
syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^" end="\]"
syn region mkdID matchgroup=mkdDelimiter start="\[" end="\]" contained oneline
syn region mkdURL matchgroup=mkdDelimiter start="(" end=")" contained oneline
-syn region mkdLink matchgroup=mkdDelimiter start="\\\@<!\[" end="\]\ze\s*[[(]" contains=@Spell nextgroup=mkdURL,mkdID skipwhite oneline
+syn region mkdLink matchgroup=mkdDelimiter start="\\\@<!!\?\[" end="\]\ze\s*[[(]" contains=@mkdNonListItem,@Spell nextgroup=mkdURL,mkdID skipwhite oneline
" Autolink without angle brackets.
" mkd inline links: protocol optional user:pass@ sub/domain .com, .co.uk, etc optional port path/querystring/hash fragment
" ------------ _____________________ --------------------------- ________________________ ----------------- __
syntax match mkdInlineURL /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*/
+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'
+
+" Autolink with parenthesis.
+execute 'syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!(\(\(' . s:protocols . '\):\/\/[^) ]*)\)\@=" end=")"'
+
" Autolink with angle brackets.
-syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!<\(\(coap\|doi\|javascript\|aaa\|aaas\|about\|acap\|cap\|cid\|crid\|data\|dav\|dict\|dns\|file\|ftp\|geo\|go\|gopher\|h323\|http\|https\|iax\|icap\|im\|imap\|info\|ipp\|iris\|iris.beep\|iris.xpc\|iris.xpcs\|iris.lwz\|ldap\|mailto\|mid\|msrp\|msrps\|mtqp\|mupdate\|news\|nfs\|ni\|nih\|nntp\|opaquelocktoken\|pop\|pres\|rtsp\|service\|session\|shttp\|sieve\|sip\|sips\|sms\|snmp,soap.beep\|soap.beeps\|tag\|tel\|telnet\|tftp\|thismessage\|tn3270\|tip\|tv\|urn\|vemmi\|ws\|wss\|xcon\|xcon-userid\|xmlrpc.beep\|xmlrpc.beeps\|xmpp\|z39.50r\|z39.50s\|adiumxtra\|afp\|afs\|aim\|apt,attachment\|aw\|beshare\|bitcoin\|bolo\|callto\|chrome,chrome-extension\|com-eventbrite-attendee\|content\|cvs,dlna-playsingle\|dlna-playcontainer\|dtn\|dvb\|ed2k\|facetime\|feed\|finger\|fish\|gg\|git\|gizmoproject\|gtalk\|hcp\|icon\|ipn\|irc\|irc6\|ircs\|itms\|jar\|jms\|keyparc\|lastfm\|ldaps\|magnet\|maps\|market,message\|mms\|ms-help\|msnim\|mumble\|mvn\|notes\|oid\|palm\|paparazzi\|platform\|proxy\|psyc\|query\|res\|resource\|rmi\|rsync\|rtmp\|secondlife\|sftp\|sgn\|skype\|smb\|soldat\|spotify\|ssh\|steam\|svn\|teamspeak\|things\|udp\|unreal\|ut2004\|ventrilo\|view-source\|webcal\|wtai\|wyciwyg\|xfire\|xri\|ymsgr\):\/\/[^> ]*>\)\@=" end=">"
+execute 'syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!<\(\(' . s:protocols . '\):\/\/[^> ]*>\)\@=" end=">"'
" Link definitions: [id]: URL (Optional Title)
syn region mkdLinkDef matchgroup=mkdDelimiter start="^ \{,3}\zs\[" end="]:" oneline nextgroup=mkdLinkDefTarget skipwhite
syn region mkdBlockquote start=/^\s*>/ end=/$/ contains=mkdLineBreak,mkdLineContinue,@Spell
syn region mkdCode start=/\(\([^\\]\|^\)\\\)\@<!`/ end=/\(\([^\\]\|^\)\\\)\@<!`/
syn region mkdCode start=/\s*``[^`]*/ end=/[^`]*``\s*/
-syn region mkdCode start=/^\s*```\s*[0-9A-Za-z_-]*\s*$/ end=/^\s*```\s*$/
+syn region mkdCode start=/^\s*```\s*[0-9A-Za-z_+-]*\s*$/ end=/^\s*```\s*$/
syn region mkdCode start=/\s*\~\~[^\~]*/ end=/[^\~]*\~\~\s*/
-syn region mkdCode start=/^\s*\~\~\~\s*[0-9A-Za-z_-]*\s*$/ end=/^\s*\~\~\~\s*$/
+syn region mkdCode start=/^\s*\~\~\~\s*[0-9A-Za-z_+-]*\s*$/ end=/^\s*\~\~\~\s*$/
syn region mkdCode start="<pre[^>]*>" end="</pre>"
syn region mkdCode start="<code[^>]*>" end="</code>"
syn region mkdFootnote start="\[^" end="\]"
syn match mkdCode /^\s*\n\(\(\s\{8,}[^ ]\|\t\t\+[^\t]\).*\n\)\+/
syn match mkdIndentCode /^\s*\n\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/ contained
-syn match mkdListItem "^\s*[-*+]\s\+"
-syn match mkdListItem "^\s*\d\+\.\s\+"
+syn region mkdListItemLine matchgroup=mkdListItem start="^\s*\%([-*+]\|\d\+\.\)\s\+" end="$" contains=@mkdNonListItem,@Spell
syn region mkdNonListItemBlock start="\n\(\_^\_$\|\s\{4,}[^ ]\|\t+[^\t]\)\@!" end="^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@=" contains=@mkdNonListItem,@Spell
syn match mkdRule /^\s*\*\s\{0,1}\*\s\{0,1}\*$/
syn match mkdRule /^\s*-\s\{0,1}-\s\{0,1}-$/
syn match mkdRule /^\s*\*\{3,5}$/
"HTML headings
-syn region htmlH1 start="^\s*#" end="\($\|#\+\)" contains=@Spell
-syn region htmlH2 start="^\s*##" end="\($\|#\+\)" contains=@Spell
-syn region htmlH3 start="^\s*###" end="\($\|#\+\)" contains=@Spell
-syn region htmlH4 start="^\s*####" end="\($\|#\+\)" contains=@Spell
-syn region htmlH5 start="^\s*#####" end="\($\|#\+\)" contains=@Spell
-syn region htmlH6 start="^\s*######" end="\($\|#\+\)" contains=@Spell
+syn region htmlH1 start="^\s*#" end="$" contains=@Spell
+syn region htmlH2 start="^\s*##" end="$" contains=@Spell
+syn region htmlH3 start="^\s*###" end="$" contains=@Spell
+syn region htmlH4 start="^\s*####" end="$" contains=@Spell
+syn region htmlH5 start="^\s*#####" end="$" contains=@Spell
+syn region htmlH6 start="^\s*######" end="$" contains=@Spell
syn match htmlH1 /^.\+\n=\+$/ contains=@Spell
syn match htmlH2 /^.\+\n-\+$/ contains=@Spell
-if get(g:, 'vim_markdown_math', 0)
- syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$" end="\$"
- syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$\$" end="\$\$"
-endif
-
" YAML frontmatter
if get(g:, 'vim_markdown_frontmatter', 0)
syn include @yamlTop syntax/yaml.vim
syn region Comment matchgroup=mkdDelimiter start="\%^---$" end="^---$" contains=@yamlTop
endif
-syn cluster mkdNonListItem contains=htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdIndentCode,mkdListItem,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath
+if get(g:, 'vim_markdown_math', 0)
+ syn include @tex syntax/tex.vim
+ syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$" end="\$" contains=@tex
+ syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$\$" end="\$\$" contains=@tex
+endif
+
+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
"highlighting for Markdown groups
-HtmlHiLink mkdString String
+HtmlHiLink mkdString String
HtmlHiLink mkdCode String
HtmlHiLink mkdIndentCode String
-HtmlHiLink mkdFootnote Comment
+HtmlHiLink mkdFootnote Comment
HtmlHiLink mkdBlockquote Comment
HtmlHiLink mkdLineContinue Comment
HtmlHiLink mkdListItem Identifier
HtmlHiLink mkdLinkDef mkdID
HtmlHiLink mkdLinkDefTarget mkdURL
HtmlHiLink mkdLinkTitle htmlString
-HtmlHiLink mkdMath Statement
HtmlHiLink mkdDelimiter Delimiter
let b:current_syntax = "mkd"