She's right, even if that post hurts a bit. It's a band-aid measure, but I've added How do I comment using OpenID? to the FAQs and linked it in appropriate places. The OpenID thing is in flux because yeah, there are problems with the actual functionality as well as the docs, and there are patches filed to sort that out. But a bit more documentation of the situation as it is now can't hurt. Thanks for reporting this one.