Merge pull request #121 from cirosantilli/autolink

Highlight angle braced hyperlinks.

diff --combined syntax/mkd.vim
index 48118982dd435c0a8c53ead6038e72ff901cef37,4dc8a49b618b218a9077405d3c1d300f4b224a74..a4c7af49a43bc4e77a27f8e570cc019ff018a14c
--- 1/syntax/mkd.vim
--- 2/syntax/mkd.vim
+++ b/syntax/mkd.vim
@@@ -2,9 -2,9 +2,7 @@@
  " Language:   Markdown
  " Maintainer: Ben Williams <benw@plasticboy.com>
  " URL:                http://plasticboy.com/markdown-vim-mode/
 -" Version:    9
 -" Last Change:  2009 May 18 
  " Remark:     Uses HTML syntax file
- " Remark:     I don't do anything with angle brackets (<>) because that would too easily
- "             easily conflict with HTML syntax
  " TODO:       Handle stuff contained within stuff (e.g. headings within blockquotes)
  
  
@@@ -49,12 -49,16 +47,16 @@@ syn region mkdFootnotes matchgroup=mkdD
  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
+ 
+ " 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*/
  
+ " 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=">"
+ 
  " Link definitions: [id]: URL (Optional Title)
- " TODO handle automatic links without colliding with htmlTag (<URL>)
  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
@@@ -97,14 -101,14 +99,14 @@@ if get(g:, 'vim_markdown_math', 0
    syn region mkdMath matchgroup=mkdDelimiter start="\\\@<!\$\$" end="\$\$"
  endif
  
- syn cluster mkdNonListItem contains=htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdID,mkdURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdMath,mkdIndentCode,mkdListItem,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6
- 
  " 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,mkdID,mkdURL,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdIndentCode,mkdListItem,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath
+ 
  "highlighting for Markdown groups
  HtmlHiLink mkdString      String
  HtmlHiLink mkdCode          String

diff --combined test/syntax.vader
index ece36eee3ca88a8d0db3edcce970ac73dce5decc,ae4e1ad0d87353a7d9af204944cde3ae5ee3af61..0305120b50a079e2c7d635be32218cad0c8c2b94
--- 1/test/syntax.vader
--- 2/test/syntax.vader
+++ b/test/syntax.vader
@@@ -1,18 -1,14 +1,18 @@@
 -Given mkd (bold);
 -**bold** not bold
 +Given mkd;
 +a **b** c
  
 -Execute (SyntaxOf(pattern)):
 +Execute (bold):
 +  AssertNotEqual SyntaxOf('a'), 'htmlBold'
    AssertEqual SyntaxOf('b'), 'htmlBold'
 +  AssertNotEqual SyntaxOf('c'), 'htmlBold'
  
 -Given mkd (italic);
 -*italic*
 +Given mkd;
 +a *b* c
  
 -Execute (SyntaxOf(pattern)):
 -  AssertEqual SyntaxOf('i'), 'htmlItalic'
 +Execute (italic):
 +  AssertNotEqual SyntaxOf('a'), 'htmlItalic'
 +  AssertEqual SyntaxOf('b'), 'htmlItalic'
 +  AssertNotEqual SyntaxOf('c'), 'htmlItalic'
  
  # Links
  
@@@ -35,6 -31,55 +35,55 @@@ Given mkd
  Execute (multiple links on a line):
    AssertEqual SyntaxOf('c'), ''
  
+ # Autolinks
+ 
+ Given mkd;
+ a <http://b> c
+ 
+ Execute (autolink):
+   AssertNotEqual SyntaxOf('a'), 'mkdInlineURL'
+   AssertEqual SyntaxOf('<'), 'mkdDelimiter'
+   AssertEqual SyntaxOf('b'), 'mkdInlineURL'
+   AssertEqual SyntaxOf('>'), 'mkdDelimiter'
+   AssertNotEqual SyntaxOf('c'), 'mkdInlineURL'
+ 
+ Given mkd;
+ <HtTp://a>
+ 
+ Execute (autolink with scheme case is insensitive):
+   AssertEqual SyntaxOf('a'), 'mkdInlineURL'
+ 
+ Given mkd;
+ <notascheme://a>
+ 
+ Execute (autolink without known scheme is not a link):
+   AssertNotEqual SyntaxOf('n'), 'mkdInlineURL'
+ 
+ Given mkd;
+ <a>
+ 
+ Execute (autolink without scheme is not a link):
+   AssertNotEqual SyntaxOf('a'), 'mkdInlineURL'
+ 
+ Given mkd;
+ < http://a >
+ <http://b c>
+ <http://d
+ e>
+ 
+ Execute (autolink with space is not a link):
+   AssertNotEqual SyntaxOf('a'), 'mkdInlineURL'
+   AssertNotEqual SyntaxOf('b'), 'mkdInlineURL'
+   AssertNotEqual SyntaxOf('c'), 'mkdInlineURL'
+   AssertNotEqual SyntaxOf('d'), 'mkdInlineURL'
+   AssertNotEqual SyntaxOf('e'), 'mkdInlineURL'
+ 
+ Given mkd;
+ \<http://a>
+ 
+ Execute (autolinks can be backslash escaped):
+   AssertNotEqual SyntaxOf('<'), 'mkdDelimiter'
+ 
  # Math
  
  Given mkd;