RE: XML Validity and DTD dependance

Please remember to cc Rich explicitly on these emails.

paul

> -----Original Message-----
> From: public-xml-core-wg-request@w3.org 
> [mailto:public-xml-core-wg-request@w3.org] On Behalf Of Norman Walsh
> Sent: Wednesday, 13 April, 2005 14:05
> To: public-xml-core-wg@w3.org
> Subject: Re: XML Validity and DTD dependance
> 
> / Rich Salz <rsalz@datapower.com> was heard to say:
> [...]
> | It seems to me, then, that DTDs are not useful, and maybe not
> | even possible, for XML standards or documents that use namespaces.
> | The problem with this is that XML validity requires a DTD (see [1]).
> | For my particular concern, the uniqueness of ID attributes,
> | part of validity, is crucial for using XML Signatures or Encryption
> | on SOAP messages.
> 
> With xml:id, your application can enforce ID uniqueness constraints
> independent of validation.
> 
> | XML validity is important, and perhaps should be separated 
> from DTD's.
> 
> What does validity mean separate from DTDs? Do you only mean enforcing
> ID uniqueness constraints, or do you have more in mind?
> 
>                                         Be seeing you,
>                                           norm
> 
> P.S. You don't mention it, but you could attack the problem from the
> other side, adding <!NAMESPACE ...> declarations to DTDs so that they
> can support namespaces.

Received on Wednesday, 13 April 2005 19:33:50 UTC