Apparently the angry mob of web developers armed with pitchforks and torches have convinced Microsoft to behave like adults for once in their sorry lives.
While it doesn't say anything good about the morons developing IE that they tried this in the first place, at least someone in MS recognized that they don't live in isolation from the real world anymore.
And someday, maybe they'll figure out how to support application/xhtml+xml and proper XHTML content, just like real browsers!