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- From: Ken MacLeod <ken@bitsko.slc.ut.us>
- To: xml-dev@lists.xml.org
- Date: Sat, 30 Dec 2000 10:09:02 -0600
"Sean B. Palmer" <sean@mysterylights.com> writes:
> Simple question:-
>
> <div xmlns="http://www.w3.org/1999/xhtml" />
>
> It has often been siad that the most useful characteristic of having
> a unique name for XML is simply that it is therfore unique. The
> above example is an XHTML div element. But how do we know it is
> XHTML?
> For the record: I think that an HTML processor could jsut
> "recognize" the xmlns. An XML processor would just say "well, it's
> unique", and an SW engine would try to dereference it.
Right. At this stage, since there is no (general) spec that ties a NS
to any other semantic information, the attachment of semantic
information is done "out of band".
Every XML application I've seen or written that uses namespaces to
derive semantics has a copy of the namespace URI so that when it sees
that URI in an instance it can go, "ah, I know what that is".
I think the meat of this whole debate surrounds "where is the spec
that ties a NS to other semantic information", and then only
collaterally what issues would be involved in doing so.
-- Ken
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