Dare Obasanjo : XML is a lousy format for most of the things it is used for. The one benefit it has is that it is widely supported and a guaranteed way to interoperate in a cross-platform manner. By tampering with this the W3C is effectively diluting one of the few benefits of using XML.

Dare Obasanjo aka Carnage4Life - XML 1.1: The W3C Gets It Wrong

via Dave Winer