--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/runtime/syntax/change.vim	Sat Nov 10 15:07:22 2007 +0900
@@ -0,0 +1,42 @@
+" Vim syntax file
+" Language:	WEB Changes
+" Maintainer:	Andreas Scherer <andreas.scherer@pobox.com>
+" Last Change:	April 25, 2001
+
+" Details of the change mechanism of the WEB and CWEB languages can be found
+" in the articles by Donald E. Knuth and Silvio Levy cited in "web.vim" and
+" "cweb.vim" respectively.
+
+" 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
+
+" We distinguish two groups of material, (a) stuff between @x..@y, and
+" (b) stuff between @y..@z. WEB/CWEB ignore everything else in a change file.
+syn region changeFromMaterial start="^@x.*$"ms=e+1 end="^@y.*$"me=s-1
+syn region changeToMaterial start="^@y.*$"ms=e+1 end="^@z.*$"me=s-1
+
+" 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_change_syntax_inits")
+  if version < 508
+    let did_change_syntax_inits = 1
+    command -nargs=+ HiLink hi link <args>
+  else
+    command -nargs=+ HiLink hi def link <args>
+  endif
+
+  HiLink changeFromMaterial String
+  HiLink changeToMaterial Statement
+
+  delcommand HiLink
+endif
+
+let b:current_syntax = "change"
+
+" vim: ts=8