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Re: Value space of QName

From: Henry S. Thompson <ht@cogsci.ed.ac.uk>
Date: 17 Oct 2000 10:14:41 +0100
To: James Clark <jjc@jclark.com>
Cc: XML Schema Comments <www-xml-schema-comments@w3.org>
Message-ID: <f5bvgurj0ce.fsf@cogsci.ed.ac.uk>
James Clark <jjc@jclark.com> writes:

> Part 2 describes the value space of QName as "The value space of QName
> is the set of tuples {namespace name, local part}, where namespace name
> is a uriReference and local part is an NCName".  This is not quite
> right: a QName need not have a prefix; in such a case, the namespace
> name part may be missing.

We should indeed clarify---in most places we talk about QNames, we
make clear that an 'absent' value for namespace URI signals the
unqualified case.

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: http://www.ltg.ed.ac.uk/~ht/
Received on Tuesday, 17 October 2000 05:14:44 GMT

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