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RE: [xml-dev] Re: determining ID-ness in XML
- From: Don Park <email@example.com>
- To: firstname.lastname@example.org
- Date: Tue, 30 Oct 2001 10:45:23 -0800
> I like James' proposal.
> However I'd suggest that the 80/20 split lies at not allowing
> more than one ID attribute per element. (So I'm disagreeing
> with DavidB and DonP, at my peril, I'm sure! :)
Yeah, I don't like having to parse attribute value so I understand. Also, I
have been thinking about the namespace issue complicating the mechanism.
While xml:idatt (XML ID Attribute Declaration?) is most likely placed within
a container element belonging to the same namespace as the attribute of type
ID like this:
<foo xmlns:fb="http://foobar.com/ns/1.0" xml:idatt="id">
the mechanism gets tedious quickly when there isn't a convenient container
to declare ID type attribute for contained elements. I guess the question
is which side of 80/20 does this case fall under.
For sake of discussion, here is an example of XML Namespace Declaration-like
approach to XML ID Attribute Declaration.
Hmm. It looks rather ugly. We could opt to ignore the whole namespace
issue and use the same mechanism to specify target ID-space although I am
not sure if there is a huge demand for multiple ID-space per document.