XHTML strictness would have been a great start but at that point the "best-effort" <p><div>cat was out of the bag</span> I mean what is worse? Incorrectness, o

XHTML strictness would have been a great start but at that point the "best-effort" <p><div>cat was out of the bag</span> I mean what is worse? Incorrectness, or losing ad revenue :-)