xml-dev - Re: fixing (just) namespaces and validation

[David Carlisle <davidc@nag.co.uk>]

> We disagree.

Not by much.

> It is the parsers which cause the problem by ignoring the information
> provided. 

> <!ATTLIST zap:x xmlns:zap CDATA #FIXED "http://here">

Ah interesting. But then the `problem' is that there is no REC or NOTE
or hint or suggestion from anyone in authority that namespace aware
validating parsers are _supposed_ to interpret xmlns: attribute
declarations in this way.

So when I said that `all dtds have the problem' You argue (and I would
probably agree) that the problem is in the specification (or lack of)
in how DTDs are used in the presence of namespaces.

David Megginson argues that we shouldn't be using XML DTD if we are
interested in namespaces, which is an argument, but I think I would
still be in favour of an interpretation  such as you suggest which
allows a notion of validation with DTDs that does not break existing
systems (they just say that the document doesn't validate) but would
allow a class of documents to be DTD-validated by namespace aware
systems without fixing prefixes.

David


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