reftype (IDREF constraints)

[Robin Cover]

I confess that I've not been able to keep up with
all the recent W3C working drafts in detail...

So: are any of the new specs addressing the
matter of constraints upon referenced elements?
In current syntax, this would amount to saying
that IDREF(s) in a given case could only be
pointers to specified (classes of) GIs, as
approximately in the HyTime 'reftype'.

Where would/should this concern for scope
(semantics) be addressed in the W3C drafts?
Are there any dramatic proposals in the works
for bedrock re-design, or improvement of the
ID - IDREF mechanism?

Thanks.

-rcc





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