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- From: Ray Waldin <rwaldin@pacbell.net>
- To: xml-dev@ic.ac.uk
- Date: Thu, 06 Jan 2000 16:48:09 -0800
Tim Bray wrote:
> So... let's try again. Consider these two
>
> <html:a href="foo">
> <html:a html:href="foo">
>
> The namespace spec could have said one of three things:
>
> 1. These must always be treated as identical
> 2. These must always be treated as different
> 3. Applications can make up their minds
>
> The then-Working Group eventually went for #3. It's kind of like
> non-Euclidean geometries; each of the three options above produces a
> self-consistent universe, so the only question is, which one do we
> want to live in?
>
> Most applications, it seems, want to live in Universe #1, and the
> namespace spec allows them to do that. -Tim
How can #3 be an option at the application level if #2 isn't enforced at
the parser level? Will parsers allow switching between these universes
at parse time?
For example (an example everyone seems to avoid!):
<html:a href="foo" html:href="bar"/>
This element must be considered well-formed from the standpoint of XML
1.0 + Namespaces in order to allow #3 at the application level, no? And
furthermore, applications wanting to live in #1 have to do extra work
for each and every attribute to ensure that documents in #3 are in the
subset that is universe #1. Yikes!
-Ray
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