--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/runtime/syntax/rcs.vim	Sat Nov 10 15:07:22 2007 +0900
@@ -0,0 +1,76 @@
+" Vim syntax file
+" Language:     RCS file
+" Maintainer:   Dmitry Vasiliev <dima at hlabs dot spb dot ru>
+" URL:          http://www.hlabs.spb.ru/vim/rcs.vim
+" Revision:     $Id$
+" Filenames:    *,v
+" Version:      1.11
+
+" Options:
+"   rcs_folding = 1   For folding strings
+
+" For version 5.x: Clear all syntax items.
+" For version 6.x: Quit when a syntax file was already loaded.
+if version < 600
+  syntax clear
+elseif exists("b:current_syntax")
+  finish
+endif
+
+" RCS file must end with a newline.
+syn match rcsEOFError   ".\%$" containedin=ALL
+
+" Keywords.
+syn keyword rcsKeyword  head branch access symbols locks strict
+syn keyword rcsKeyword  comment expand date author state branches
+syn keyword rcsKeyword  next desc log
+syn keyword rcsKeyword  text nextgroup=rcsTextStr skipwhite skipempty
+
+" Revision numbers and dates.
+syn match rcsNumber "\<[0-9.]\+\>" display
+
+" Strings.
+if exists("rcs_folding") && has("folding")
+  " Folded strings.
+  syn region rcsString  matchgroup=rcsString start="@" end="@" skip="@@" fold contains=rcsSpecial
+  syn region rcsTextStr matchgroup=rcsTextStr start="@" end="@" skip="@@" fold contained contains=rcsSpecial,rcsDiffLines
+else
+  syn region rcsString  matchgroup=rcsString start="@" end="@" skip="@@" contains=rcsSpecial
+  syn region rcsTextStr matchgroup=rcsTextStr start="@" end="@" skip="@@" contained contains=rcsSpecial,rcsDiffLines
+endif
+syn match rcsSpecial    "@@" contained
+syn match rcsDiffLines  "[da]\d\+ \d\+$" contained
+
+" Synchronization.
+syn sync clear
+if exists("rcs_folding") && has("folding")
+  syn sync fromstart
+else
+  " We have incorrect folding if following sync patterns is turned on.
+  syn sync match rcsSync    grouphere rcsString "[0-9.]\+\(\s\|\n\)\+log\(\s\|\n\)\+@"me=e-1
+  syn sync match rcsSync    grouphere rcsTextStr "@\(\s\|\n\)\+text\(\s\|\n\)\+@"me=e-1
+endif
+
+" 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_rcs_syn_inits")
+  if version <= 508
+    let did_rcs_syn_inits = 1
+    command -nargs=+ HiLink hi link <args>
+  else
+    command -nargs=+ HiLink hi def link <args>
+  endif
+
+  HiLink rcsKeyword     Keyword
+  HiLink rcsNumber      Identifier
+  HiLink rcsString      String
+  HiLink rcsTextStr     String
+  HiLink rcsSpecial     Special
+  HiLink rcsDiffLines   Special
+  HiLink rcsEOFError    Error
+
+  delcommand HiLink
+endif
+
+let b:current_syntax = "rcs"