diff --git a/3rdparty/pulkomandy/checkstyle.vim b/3rdparty/pulkomandy/checkstyle.vim
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+" Coding guidelines check for Haiku.
+" Copyright 2010-2014 Haiku, Inc.
+" Distributed under the terms of the MIT licence.
+"
+" Insert this into your vimrc or as some autoloaded file. It will register
+" several matchadd regular expressions to try to catch common style violations:
+" lines longer than 80 chars, missing space around operators or after keywords,
+" indentation with spaces instead of tabs, and so on. Potential problems are
+" highlighted with a beautiful red background.
+"
+" This regex-based method is not perfect: there may be some false positive and
+" some cases are not checked. Feel free to improve on this.
+"
+" The matches are only enabled when starting vim from /Donnees/Dev/Haiku/haiku
+" or a subdirectory of it. This way it doesn't get in the way when working on
+" other projects. FuncHaikuCheck() can also be called manually to enable the
+" matches in other directories.
+
+:highlight Style ctermbg=red guibg=red
+:fu FuncHaikuCheck()
+	call matchadd('Style', '\%>80v.\+', -1) " line over 80 char
+	call matchadd('Style', '^\s* \s*', -1)  " spaces instead of tabs
+	call matchadd('Style', '\(for\|if\|select\|while\)(', -1)
+		"missing space after control statement
+	call matchadd('Style', '^\(\(?!\/\/\|\/\*\).\)*//\S', -1)
+		" Missing space at comment start
+
+	call matchadd('Style', '^\(\(?!\/\/\|\/\*\).\)*\w[,=>+\-*;]\w', -1)
+	call matchadd('Style', '^\(\(?!\/\/\|\/\*\).\)*\w\(<<\|>>\)\w', -1)
+		"operator without space around it (without false positive on
+		"templated<type>)
+	call matchadd('Style', '^[^#]^\(\(?!\/\/\|\/\*\).\)*[^<]\zs\w*/\w', -1)
+		"operator without space around it (without false positive on
+		"#include <dir/file.h>)
+	call matchadd('Style', '^[^/]\{2}.*\zs[^*][=/+\-< ]$', -1)
+		"operator at end of line (without false positives on /* and */, nor
+		"char*\nClass::method())
+	call matchadd('Style', '^[^#].*\zs[^<]>$', -1)
+		" > operator at EOL (without false positive on #include <file.h>)
+	call matchadd('Style', '){', -1) " Missing space after method header
+	call matchadd('Style', '}\n\s*else', -1) " Malformed else
+	call matchadd('Style', '\s$', -1) "Spaces at end of line
+	call matchadd('Style', ',\S', -1) " Missing space after comma
+	call matchadd('Style', '^}\n\{1,2}\S', -1)
+		" Less than 2 lines between functions
+	call matchadd('Style', '^}\n\{4,}\S', -1)
+		" More than 2 lines between functions
+:endfu
+
+if stridx(getcwd(), '/Donnees/Dev/Haiku/haiku') == 0
+	" Webkit indentation rules
+	call FuncHaikuCheck()
+endif