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- From: rbourret@dvs1.informatik.tu-darmstadt.de (Ron Bourret)
- To: xml-dev@ic.ac.uk
- Date: Tue, 14 Jul 1998 10:10:36 +0200
John Cowan wrote:
> > 2) As John suggests, expand the legal elements beneath an XSchema element.
In
> > particular, add AttDef, Choice, Sequence, Mixed, and Ref to the XSchema
> > element. (NotationType and EnumerationType no longer exist. I have added
Ref
> > to John's list.)
>
> My only criticism: I don't think Ref belongs here, simply because Refs
> don't have any content themselves: they are just pointers, so it seems
> useless, over-complicated, and confusing in XSchema to have pointers
> to pointers.
But Ref is a valid content model:
<ElementDecl Name="Section">
<Ref Element="Paragraph" Frequency="OneOrMore"/>
</ElementDecl>
(i.e. <!ELEMENT Section (Paragraph+)> )
If I want to be able to store more complex content models in an XSchema element
(for reference from other XSchemas), why can't I store this one?
-- Ron Bourret
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