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Re: XML Schema working with DTDs? from Henry S. Thompson on 2000-04-29 (www-xml-schema-comments@w3.org from April to June 2000)
Re: XML Schema working with DTDs?
- From: Henry S. Thompson <ht@cogsci.ed.ac.uk>
- Date: 29 Apr 2000 10:13:24 +0100
- To: Dan Connolly <connolly@w3.org>
- Cc: Noah_Mendelsohn@lotus.com, cmsmcq@acm.org, reagle@w3.org, www-xml-schema-comments@w3.org
- Message-ID: <f5b66t16zij.fsf@cogsci.ed.ac.uk>
I'll make three observations: 1) In the nicest possible way, I'm not sure what we owe to Joseph on this one. We have _not_ published this namespace yet, in the sense of asserting publicly in a process-blessed way that https://www.w3.org/1999/XMLSchema is the namespace URI for a namespace whose semantics are defined in some officially approved REC. 2) The thrust of Dan's remarks are at odds with my memory of the discussions surrounding the decision to enforce https://www.w3.org/1999/XSL/Transform as the namespace URI for XSLT, which strongly suggested a philosophical stance about persistent identity clearly at odds with the practical reality of changing details. In particular the decision to _not_ add a version number to that NS URI was taken after considerable thought. I'm afraid this takes us back to my concern about too-tight connection between namespace URI and presumed resource (= XML Schema in this case) location. 3) There's certainly precedent for 'stable' resources evolving: the XML Spec DTD still lives at https://www.w3.org/XML/1998/06/ although it's currently in its 21st edition. ht -- Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh W3C Fellow 1999--2001, part-time member of W3C Team 2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440 Fax: (44) 131 650-4587, e-mail: ht@cogsci.ed.ac.uk URL: https://www.ltg.ed.ac.uk/~ht/
Received on Saturday, 29 April 2000 05:13:37 UTC