"Axel Billen" <axel.billen@xxxxxx> writes:
> Hi!
>
> I am working on a projekt and i have to integrate XLink attributes in several
> Schema. I imported the xlink namespace and used the following tag:
>
> <xs:anyAttribute namespace="http://www.w3.org/1999/xlink"/>
>
> That worked fine. But sometimes i wanted to use only one attribute, like
> xlink:href. In this case i tried to use
>
> <xs:attribute ref="xlink:href" use="required" />.
>
> If i used this tag, my validator would throw an error, because of
> the namespace prefix. Why didn´t this tag work? Can you help me?
You need to include an ordinary namespace declaration for the xlink
prefix, e.g.
<xs:attribute ref="xlink:href" use="required"
xmlns:xlink="http://www.w3.org/1999/xlink"/>
You probably want to put it higher up in your schema document.
You probably also want to specify a location where a schema document
with a declaration for that attribute can be found -- you can either
produce a tiny trivial one of your own, or use one of several that
have been produced and can be found on the web, e.g.
http://www.cs.vassar.edu/XCES/schema/xcesLink.xsd
http://examples.oreilly.com/xmlschema/examples/xlink.xsd
ht
--
Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
Half-time member of W3C Team
2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
Fax: (44) 131 650-4587, e-mail: ht@xxxxxxxxxxxxxxx
URL: http://www.ltg.ed.ac.uk/~ht/
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