new file mode 100644
--- /dev/null
+++ b/runtime/syntax/wdiff.vim
@@ -0,0 +1,43 @@
+" Vim syntax file
+" Language:     wDiff (wordwise diff)
+" Maintainer:   Gerfried Fuchs <alfie@ist.org>
+" Last Change:  25 Apr 2001
+" URL:		http://alfie.ist.org/vim/syntax/wdiff.vim
+"
+" Comments are very welcome - but please make sure that you are commenting on
+" the latest version of this file.
+" SPAM is _NOT_ welcome - be ready to be reported!
+
+
+" For version 5.x: Clear all syntax items
+" For version 6.x: Quit when a syntax file was already loaded
+if version < 600
+  syn clear
+elseif exists("b:current_syntax")
+  finish
+endif
+
+
+syn region wdiffOld start=+\[-+ end=+-]+
+syn region wdiffNew start="{+" end="+}"
+
+
+" Define the default highlighting.
+" For version 5.7 and earlier: only when not done already
+" For version 5.8 and later: only when an item doesn't have highlighting yet
+if version >= 508 || !exists("did_wdiff_syn_inits")
+  let did_wdiff_syn_inits = 1
+  if version < 508
+    let did_wdiff_syn_inits = 1
+    command -nargs=+ HiLink hi link <args>
+  else
+    command -nargs=+ HiLink hi def link <args>
+  endif
+
+  HiLink wdiffOld       Special
+  HiLink wdiffNew       Identifier
+
+  delcommand HiLink
+endif
+
+let b:current_syntax = "wdiff"