xml-dev mailing list. Like many electronic communities, xml-dev suffers from a few tedious permathreads, from regular childish ranting, and from side-trips into the abstruse. But if you ask a hard technical question on XML there, you'll probably get an answer, almost immediately. The problem is that the mailing list is mismanaged, broken, unreliable, inaccessible, and really ought to find a new home with competent grownup minders ...