I may be missing something, but the validator should validate markup based on a given DOCTYPE and not how the markup is served. The W3C validator service is a _markup_ validator not a user-agent emulator.

Regards,
Vlad Alexander
http://xstandard.com 



-------- Original Message --------
From: Simon Pieters
Date: 12/5/2006 3:40 PM
> 
> Hi,
> 
> From: Philip TAYLOR <P.Taylor@Rhul.Ac.Uk>
>> Forgive the multiplicity of named recipients, but
>> I am very uncertain as to whom to address this :
>>
>> There has been a fairly protracted discussion recently
>> concerning the pros and cons of serving XHTML documents
>> as text/html  or as application/xhtml+xml, but I was more
>> than a little surprised today to discover that when the
>> W3C (HTML) validator is asked to validate
>>
>>     http://www.isg.rhul.ac.uk/ 
>>
>> it states that the (page) is "Valid XHTML 1.0 Transitional"
>> without issuing even a warning that it is being served as
>> text/html rather than application/xhtml+xml.  Now it is
>> clear from Section 5.1 of
>>
>>     http://www.w3.org/TR/xhtml1/ 
>>
>> that this is acceptable, yet
>>
>>     http://www.w3.org/TR/xhtml-media-types/ 
>>
>> also states clearly that
>>
>>     "application/xhtml+xml SHOULD be used for XHTML Family documents"
>>
>> My question is therefore : should not the validator issue
>> a warning when this last guideline is ignored ?
> 
> The XHTML Media Types note is not normative. However, see:
> 
>   http://www.w3.org/Bugs/Public/show_bug.cgi?id=1500 
> 
> Regards,
> Simon Pieters
> 
> _________________________________________________________________
> Martin Stenmarck som ringsignal http://msn.cellus.se/ 
> 
> 
>