- From: Henry S. Thompson <ht@cogsci.ed.ac.uk>
- Date: 22 May 2000 09:56:47 +0100
- To: "Martin Gudgin" <marting@develop.com>
- Cc: <www-xml-schema-comments@w3.org>
"Martin Gudgin" <marting@develop.com> writes:
> The way I read the namespace rec unprefixed attributes are *always* locally
> scoped by their containing element. The only way to have a global attribute
> is to give it a prefix. So assuming a namespace decl for prefix x1;
>
> <x1:foo bar='somevalue' x1:bar='somevalue'/>
> <x1:quux bar='somevalue' x1:bar='somevalue'/>
>
> x1:bar is the same attribute in both cases, has the same meaning etc etc.
> The bar attribute in x1:foo is not the same as the bar attribute in x1:quux.
> So the two unprefixed bar attributes could have completely different meaning
> dependant on whether they are scoped by x1:foo or x1:quux.
>
> Are you asking that XML Schema override the namespace rec by providing a way
> to specify that an unprefixed attribute is in some explicit namespace rather
> than being locally scoped by the containing element?
>
> I don't think this is a good idea as it means that the namespace of an
> attribute could potentially change based purely on whether a given instance
> document was validated against a schema or not.
>
> What am I missing here?
Nothing, as far as I can tell: our analysis agrees with mine.
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 Monday, 22 May 2000 04:56:50 UTC