Added markdown support to my vim config

git-svn-id: http://photonzero.com/dotfiles/trunk@18 23f722f6-122a-0410-8cef-c75bd312dd78

.vim/filetype.vim

@@ -0,0 +1,7 @@
+" markdown filetype file
+if exists("did\_load\_filetypes")
+  finish
+endif
+augroup markdown
+  au! BufRead,BufNewFile *.mkd   setfiletype mkd
+augroup END

.vim/syntax/mkd.vim

@@ -0,0 +1,84 @@
+" Vim syntax file
+" Language:	Markdown
+" Maintainer:	Ben Williams <benw@plasticboy.com>
+" URL:		http://plasticboy.com/markdown-vim-mode/
+" Version:	6
+" Last Change:  2006 September 1
+" 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: 	Do something appropriate with image syntax
+" TODO: 	Handle stuff contained within stuff (e.g. headings within blockquotes)
+
+
+" Read the HTML syntax to start with
+if version < 600
+  so <sfile>:p:h/html.vim
+else
+  runtime! syntax/html.vim
+  unlet b:current_syntax
+endif
+
+if 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 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
+
+"additions to HTML groups
+syn region htmlBold     start=/\*\@<!\*\*\*\@!/     end=/\*\@<!\*\*\*\@!/   contains=@Spell,htmlItalic
+syn region htmlItalic   start=/\*\@<!\*\*\@!/       end=/*\@<!\*\*\@!/      contains=htmlBold 
+syn region htmlBold     start=/_\@<!___\@!/         end=/_\@<!___\@!/       contains=htmlItalic
+syn region htmlItalic   start=/_\@<!__\@!/          end=/_\@<!__\@!/        contains=htmlBold 
+syn region htmlString   start="]("ms=s+2             end=")"me=e-1
+syn region htmlLink     start="\["ms=s+1            end="\]"me=e-1
+syn region htmlString   start="\(\[.*]: *\)\@<=.*"  end="$"
+
+"define Markdown groups
+syn match  mkdLineContinue ".$" contained
+syn match  mkdRule      /^\s*\*\s\{0,1}\*\s\{0,1}\*$/
+syn match  mkdRule      /^\s*-\s\{0,1}-\s\{0,1}-$/
+syn match  mkdRule      /^\s*_\s\{0,1}_\s\{0,1}_$/
+syn match  mkdRule      /^\s*-\{3,}$/
+syn match  mkdRule      /^\s*\*\{3,5}$/
+syn match  mkdListItem  "^\s*[-*+]\s\+"
+syn match  mkdListItem  "^\s*\d\+\.\s\+"
+syn match  mkdCode      /^\(\s\{4,}\|[\t]\+\)[^*-+ ].*$/
+syn region mkdCode      start=/`/                   end=/`/
+syn region mkdCode      start=/\s*``[^`]*/ skip=/`/ end=/[^`]*``\s*/
+syn region mkdBlockquote start=/^\s*>/              end=/$/                 contains=mkdLineContinue
+
+"HTML headings
+syn region htmlH1       start="#"                   end="\($\|#\+\)"
+syn region htmlH2       start="##"                  end="\($\|#\+\)"
+syn region htmlH3       start="###"                 end="\($\|#\+\)"
+syn region htmlH4       start="####"                end="\($\|#\+\)"
+syn region htmlH5       start="#####"               end="\($\|#\+\)"
+syn region htmlH6       start="######"              end="\($\|#\+\)"
+syn match  htmlH1       /^.\+\n=\+$/
+syn match  htmlH2       /^.\+\n-\+$/
+
+"highlighting for Markdown groups
+HtmlHiLink mkdString	    String
+HtmlHiLink mkdCode          String
+HtmlHiLink mkdBlockquote    Comment
+HtmlHiLink mkdLineContinue  Comment
+HtmlHiLink mkdListItem      Identifier
+HtmlHiLink mkdRule          Identifier
+
+
+let b:current_syntax = "mkd"
+
+delcommand HtmlHiLink
+" vim: ts=8