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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Errors in Kendall Clark's xml.com article on QNames
"Evan Lenz" <elenz@x...> writes:
> HT wrote:
>
> > 1) "Consequently, all scope information, i.e. exactly where every
> > xmlns declaration is and what prefix it uses, must always be passed
> > to the application, regardless of whether it's needed or not..."
> > (quoting Evan Lenz [2], ellipses in original)
> >
> > This is wrong on two counts. The Infoset REC clearly defines what
> > _is_ required for applications that need it, namely the [in-scope
> > namespaces] property, which is much simpler than "where every xmlns
> > declaration is and what prefix it uses".
>
> The [in-scope namespaces] property is just another representation of the
> same information. The only xmlns attributes that get lost are those that
> merely repeat a unique prefix-URI pair that's already in-scope. These hardly
> ever arise in practice, so it's hard to argue this is "much simpler". If it
> sits better with you, I'll add the word "non-redundant": "exactly where
> every [non-redundant] xmlns declaration is and what prefix it uses".
It's the _exactly where_ part I'm disputing. I couldn't care less
where the namespaces which are in scope are declared, and the
[in-scope namespaces] property doesn't record that.
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/
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