metacity-09-force-system-bell.diff revision 17999
--- metacity-2.28.0/src/core/bell.c 2009-09-09 04:55:35.000000000 +0800
+++ /backup/jtan/bell.c 2009-12-23 17:18:47.623372430 +0800
/* ...and in case that failed we use the classic X11 bell. */