diff --git a/runtime/syntax/libao.vim b/runtime/syntax/libao.vim
index f675150..f4ce623 100644
--- a/runtime/syntax/libao.vim
+++ b/runtime/syntax/libao.vim
@@ -1,46 +1,27 @@
 " Vim syntax file
-" Language:	    libao configuration file
-" Maintainer:	    Nikolai Weibull <source@pcppopper.org>
-" URL:		    http://www.pcppopper.org/vim/syntax/pcp/libao/
-" Latest Revision:  2004-05-22
-" arch-tag:	    4ddef0a8-6817-4555-a5a1-0be82094053d
+" Language:         libao.conf(5) configuration file
+" Maintainer:       Nikolai Weibull <nikolai+work.vim@bitwi.se>
+" Latest Revision:  2005-06-29
 
-if version < 600
-  syntax clear
-elseif exists("b:current_syntax")
+if exists("b:current_syntax")
   finish
 endif
 
-" Todo
-syn keyword libaoTodo	    contained TODO FIXME XXX NOTE
+let s:cpo_save = &cpo
+set cpo&vim
 
-" Comments
-syn region  libaoComment    matchgroup=libaoComment start='^\s*#' end='$' contains=libaoTodo
+syn keyword libaoTodo     contained TODO FIXME XXX NOTE
 
-" Keywords
-syn keyword libaoKeyword    default_driver
+syn region  libaoComment  matchgroup=libaoComment start='^\s*#' end='$'
+                          \ contains=libaoTodo,@Spell
 
-" 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_libao_syn_inits")
-  if version < 508
-    let did_libao_syn_inits = 1
-    command -nargs=+ HiLink hi link <args>
-    command -nargs=+ HiDef hi <args>
-  else
-    command -nargs=+ HiLink hi def link <args>
-    command -nargs=+ HiDef hi def <args>
-  endif
+syn keyword libaoKeyword  default_driver
 
-  HiLink libaoTodo	Todo
-  HiLink libaoComment	Comment
-  HiLink libaoKeyword	Keyword
-
-  delcommand HiLink
-  delcommand HiDef
-endif
+hi def link libaoTodo     Todo
+hi def link libaoComment  Comment
+hi def link libaoKeyword  Keyword
 
 let b:current_syntax = "libao"
 
-" vim: set sts=2 sw=2:
+let &cpo = s:cpo_save
+unlet s:cpo_save