Re: XHTML character entity support

On Nov 3, 2009, at 2:06 AM, Jirka Kosek wrote:

> Maciej Stachowiak wrote:
>
>> A) A validating processor (in which case they must read all external
>> DTDs, process the declared entities, and expand the entities when
>> appropriate, and which must also report violations of DTD  
>> constraints.
>
> Since 2nd edition of XML from 2000 validating processor is not  
> required
> to report validation errors:
>
> http://www.w3.org/TR/2000/REC-xml-20001006#proc-types
>
> "Validating processors must, ***at user option***, report violations  
> of
> the constraints expressed by the declarations in the DTD, and failures
> to fulfill the validity constraints given in this specification."

That sounds like validating is optional for the user, not optional for  
the XML processor, i.e. a UA that did not have some user option to  
validate while parsing would not be a conforming validating processor.

Regards,
Maciej