Ah, here we go. Go to User Menu->Edit your preference and make sure Use MARK time stamp feature? is set to yes. I can't change that setting for other users through the admin interface, or - annoyingly - make it non-optional.
--G. -><- Benjamin D. Hutchins, Co-Founder, Editor-in-Chief, & Forum Mod Eyrie Productions, Unlimited http://www.eyrie-productions.com/ zgryphon at that email service Google has Ceterum censeo Carthaginem esse delendam.