If you are browsing with Mozilla or its progeny, you are now receiving the entire site sans the photolog as application/xhtml+xml, rather than the harmful text/html. Those of us on less-capable browsers are still doing things the old-fashioned way.
Hey, you are sending XHTML 1.1 (which doesn’t follow the HTML compatibility guidelines) as text/html. This is completely illegal !!! Cf http://www.w3.org/TR/xhtml-media-types/#summary
And you refer to Ian Hixie ??? Wow 🙂