Goodbye to DTDs?

IBM and Microsoft proposes a structural schema facility, Document Content Description (DCD), for specifying rules covering the structure and content of XML documents. In particular, DCD is an RDF vocabulary. DCD is intended to define document constraints in an XML syntax; these constraints may be used in the same fashion as traditional XML DTDs.

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http://www.w3.org/TR/NOTE-dcd

Date added: 08/31/1998

RDF   

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