> * Anne van Kesteren wrote:
>>However, let me note that the html element defined in XHTML 2.0 is not 
>>backwards compatible, it has a new namespace for non obvious reasons.

Bjoern Hoehrmann wrote:
>   XML-based browser, of which at the time of writing means more than 95%
>   of browsers in use, can process new markup languages without having to
>   be updated.

Processing is not just rendering. E.g. if you want to extract 
information, you need to know the semantics of a certain markup language.

-- 
Johannes Koch
In te domine speravi; non confundar in aeternum.
                             (Te Deum, 4th cent.)