FYI, This appears to be a :contains() issue and is actually an older bug which has resurfaced again with the introduction of jQuery 1.3.2
Older groups message: http://groups.google.com/group/jquery-en/browse_thread/thread/f5c36c05cfa43e9a/90e3dfd019086772?#90e3dfd019086772 Bugtracker: http://dev.jquery.com/ticket/1612