I was always told to humor idiots, but in this case I'll make an exception.

Though the w3 validator didn't catch that one, it did find 283 other errors in http://perlmonks.com/index.pl.

In my copy of the bible, and presumably in yours too, there's a bit about taking planks out of your own eye before looking for specks in other people's. So if you're going to get picky about PM's HTML...

Plank!

:)