> The Embedding Attributes Module[1] briefly mentions the media type
> "application/xml" - is it anticipated that user agents would allow
> XHTML 2.0 documents to embed other XHTML 2.0 documents? Extra
> navigation (i.e., a sidebar in conventional screen presentation)
> could be embedded this way, instead of relying on PHP, ASP, etc.

Correct. You can embed any other format you like using that module as 
long as the browser supports the MIME type. In fact, you can already do 
this in HTML 4.01 using the OBJECT element. To embed MathML for example.


> [1] http://www.w3.org/TR/xhtml2/mod-embedding.html#s_embeddingmodule 


-- 
  Anne van Kesteren
  <http://annevankesteren.nl/ >