namespaces discussion

David Megginson david at
Thu Sep 10 20:01:02 BST 1998

Peter Jones writes:

 > What do you mean by compounding DTDs? I don't know whether any of my
 > postings to the list have been getting through, ...but why can't the
 > notion of a DTD be an utterly nebulous concept in the abstract, elements
 > themselves having a namespace URIs which addresses a DTD entity for that
 > particular element. Different elements validated against different
 > declarations lying in dispersed DTD entities.

It could, but it's not, because XML 1.0 didn't define DTDs that way,
and the namespaces WD made no attempt to modify XML 1.0.

 > Why isn't this idea getting through to anyone? (am v. frustrated!)

I think that this idea is very much in the minds of the W3C group
working on XML Schemas.  It may be a while, however, before they have
anything ready for public view.

All the best,


David Megginson                 david at

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