Re: Serving and Validating XHTML+RDFa

The XHTML 2 Working Group is updating the XHTMLMIME document to reflect 
current best practices ala the ancient Appendix C to which you refer.  
The working group definitely recommends doing the type of content 
negotiation you are attempting to do.  You can see all XHTML 2 Working 
group documents under development, including a draft that is unapproved 
and still needs lots of work at http://www.w3.org/MarkUp/Drafts

James Pickering wrote:
> I have been testing serving XHTML+RDFa documents via Content Negotiation in order to render them as content (MIME) type application/xhtml+xml to XML compliant Browsers and as content (MIME) type text/html to MSIE Browsers.   
>
> However, there is no "Appendix C" provision (ala XHTML 1.0) in the "RDFa in XHTML Syntax and Processing  Working Draft" --  to permit serving XHTML+RDFa documents as content (MIME) type text/html  -- to do so produces the W3C Markup Validator notation: 
>  
> "Warning Conflict between Mime Type and Document Type 
>  
> The document is being served with the text/html Mime Type which is not a 
> registered media type for the XHTML + RDFa Document Type. The recommended media type for this document is: application/xhtml+xml" 
>  
> I note that the W3C is currently serving some of their XHTML+RDFa documents as Content-Type text/html? 
>
> My test document is at: http://jp29.org/rdfaprimerx.php
>  
> James Pickering
>   
>   

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