I just read Serving the Most Appropriate Content to Multiple User Agents from a Single Document Source, W3C Editor's Draft 24 October 2008 <http://www.w3.org/MarkUp/2008/ED-xhtmlmime-20081024/> , and it appears to me that the example in Appendix B does not conform to guideline 7 of Appendix A, in that the lang attribute is not used.
Cole Robison Director of Statewide Web/IT Accessibility Division of Information Systems and Communications State of Kansas [EMAIL PROTECTED] (785) 291-3016