Do you have Emacspeak installed? A similar effect has been experienced with outdated Emacspeak versions that come with an ancient and buggy regexp-opt.el library.
-- David Kastrup, Kriemhildstr. 15, 44793 Bochum -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]