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Re: Doctypes again (was Re: Documents within documen

• To: <michael.h.kay@n...>
• Subject: Re: Doctypes again (was Re: Documents within documents)
• From: ht@c... (Henry S. Thompson)
• Date: 08 Feb 2002 10:10:49 +0000
• Cc: "'Bill Lindsey'" <bill@b...>, "'Michael Brennan'" <Michael_Brennan@A...>, <xml-dev@l...>
• In-reply-to: <002a01c1b07d$a0c2b500$78fe0250@pcukmka>
• References: <002a01c1b07d$a0c2b500$78fe0250@pcukmka>
• User-agent: Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.4 (Civil Service)

"Michael Kay" <michael.h.kay@n...> writes:

> > For me, the most compelling use for (the notion
> > of) document type is as a contract.  A document
> > type declaration asserts that a document's
> > syntax follows some set of rules to express the
> > document creator's intended semantics.
> 
> Yes. I've always thought one of the weakest things about DTDs is that a
> document is considered valid if it meets the sender's criteria, whether or
> not it meets the recipient's.

That's why we defined W3C XML Schema to allow any of document author, user
and/or application to specify schema document resources for
schema-validity assessment.

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@c...
		     URL: http://www.ltg.ed.ac.uk/~ht/

• References:
  • RE: Doctypes again (was Re: Documents within documents)
    • From: "Michael Kay" <michael.h.kay@n...>

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