User blog comment:Dopp/Technical Update: October 4, 2011/@comment-3134619-20111007022912/@comment-3134619-20111007035241

I see... Thank you for responding. It's a relief to know it's not just me and/or my computer, because that means it will (hopefully) get fixed. And thank you for the assurance; I'll try the undo the next time I need to and see if it works as it should.