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RE: [xml-dev] XML spec and XSD

That's nuts and the opinion of a designer who writes code wonderfully but
very few technical documents of any real complexity.

A DTD in a production system with many writers attempting to remain within
the constraints of a common document design found DTDs to be quite useful.
Otherwise markup was crap layered into already complex content.   The
programmer viewpoint of markup is but one viewpoint and can't be used to
post facto justify well-formedness as the basis of XML goodness.  

Facts are that now the usefulness of XML itself is questioned in many
quarters but at the time when SGML was used as the basis of complex
documentation systems that emphasized the accuracy of technical writing over
database design or streaming the DTD was crucial.


From: Tim.Bray@Sun.COM [mailto:Tim.Bray@Sun.COM] 

The textual flaw isn't that it doesn't mention XSD or RNG, the textual flaw
is that it mentions *any* schema language.   A very high proportion of
real-world XML processing is entirely free of anything schema-related.  The
vast majority of the XML value proposition is delivered by schema-free
well-formed XML.  Even in those apps that use a schema in their
specification, the vast majority of run-time processing is schema-free.  One
of the costliest common mistakes of XML app/language designers is putting
too much importance on schemas.  The XML specification shouldn't be
encouraging that mistake.

My own vision of what XML.next ought to look like may be found at

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