add an html syntax checker

syntax_checkers/html.vim

@@ -0,0 +1,38 @@
+"============================================================================
+"File:        html.vim
+"Description: Syntax checking plugin for syntastic.vim
+"Maintainer:  Martin Grenfell <martin_grenfell at msn dot com>
+"License:     This program is free software. It comes without any warranty,
+"             to the extent permitted by applicable law. You can redistribute
+"             it and/or modify it under the terms of the Do What The Fuck You
+"             Want To Public License, Version 2, as published by Sam Hocevar.
+"             See http://sam.zoy.org/wtfpl/COPYING for more details.
+"
+"============================================================================
+if exists("loaded_html_syntax_checker")
+    finish
+endif
+let loaded_html_syntax_checker = 1
+
+"bail if the user doesnt have tidy installed
+if !executable("tidy")
+    finish
+endif
+
+function! SyntaxCheckers_html_GetQFList()
+
+    "grep out the '<table> lacks "summary" attribute' since it is almost
+    "always present and almost always useless
+    let &makeprg="tidy -e % 2>&1 \\| grep -v '\<table\> lacks \"summary\" attribute'"
+
+    set errorformat=%Wline\ %l\ column\ %c\ -\ Warning:\ %m,%Eline\ %l\ column\ %c\ -\ Error:\ %m,%-G%.%#,%-G%.%#
+    silent make!
+
+    "the file name isnt in the output so stick in the buf num manually
+    let qflist = getqflist()
+    for i in qflist
+        let i['bufnr'] = bufnr("")
+    endfor
+
+    return qflist
+endfunction