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Eric van der Vlist <vdv@dyomedea.com> writes:
> Henry S. Thompson wrote:
>
> > Why use two mechanisms to do the same thing,
> > namely establish ownership/semantic scope for names?
>
>
> To me, this is a design issue more than a practical one: namespaces
> belong to markup while QNames belong to applications.
>
>
> This is the same kind of question than:
>
> - Why model communication protocols as layers?
> - Why defined private classes?
>
> It's allways more concise to access private classes, methods and
> properties directly and to short-circuit the layers of a protocol...
>
>
> Allowing QNames creates a dependency between the applications and the
> markup which should not exist. It makes it more difficult to build
> applications relying on a "virtual XML" which is never serialized as
> XML.
Intriguing -- I would say exactly the opposite, i.e. that QNames provide a
uniform way to ensure that "virtual XML" (what I think of as the
type-enriched infoset) has (namespace name,local name) pairs in it
wherever you want them.
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/
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