Expressing XLink concepts in XML Schema

[Arnold, Curt]

It seems to me that there would be a benefit of being able to express XLink
concepts in a much higher level in XML Schema.  Basically, the XLink
approach (and a totally appropriate one) is to communicate its concepts
through the few available means in XML with DTDs.  But it would seem that we
could have a more elegant way to express this in XML Schema, that could be
rendered identically in a generated DTD or present the same information when
a document is accessed through a Schema-based DOM parser.

This approach may be limited to cases where the specific XLink attributes
are fixed for an element.  It may not readily allow you to change within the
document the nature of a link, for example.

Maybe something like

<schema>
	<elementType name="A">
		<simpleLink role="hyperlink" show="replace" actuate="user"/>
	</elementType>
</schema>

Has anyone been doing anything with expressing XLink in Schema?  Any other
thoughts or gaping holes in my logic?

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