--- vim72/runtime/autoload/dist/ft.vim~	2010-03-16 20:11:19.304293041 +0200
+++ vim72/runtime/autoload/dist/ft.vim	2010-03-16 20:03:33.541017783 +0200
@@ -1830,6 +1830,10 @@
     setf udevrules
     return
   endif
+  if expand('<amatch>:p') =~ '^/lib/udev/\%(rules\.d/\)\=.*\.rules$'
+    setf udevrules
+    return
+  endif
   try
     let config_lines = readfile('/etc/udev/udev.conf')
   catch /^Vim\%((\a\+)\)\=:E484/