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RE: Name for XML DTDs

• From: "James K. Tauber" <jtauber@j...>
• To: "'Xml-Dev (E-mail)'" <xml-dev@i...>
• Date: Mon, 25 May 1998 14:49:04 +0800

> XSchema does not disqualify the wider use of the word
> "schema", any more than "XPointer" makes it difficult to talk about TEI
Pointers or
> C++ Pointers or XLink makes it difficult to talk about SGML implicit link,
> HTML <LINK> etc.

Fair enough.

> > How about XTD?  It could stand for Extensible Type Definition or XML
Type
> > Definition.
>
> I also like this, as long as we get the plurality right. Each document
> will have multiple type definitions within it. So it makes sense to say
> "here's my XTD document", but not "here's my XTD" (which would imply a
> single definition).

This is an important point. An XTD is like a markup declaration. An XTD
document is a collection of XTDs. It encourages the modularity of the
declarations.

There is a sense in which "Document Type Definition" is misleading for
things like CALS tables or MathML. They aren't definitions of document
types, rather they are definitions of element types. "Extensible Type
Definition" makes this clearer.

James

--
James Tauber / jtauber@j...
Perth, Western Australia
XML Pages: http://www.jtauber.com/xml/


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