> I'm working with WSDL, which uses QNames in attribute values, but i'm
> having a hard time resolving the namespace-uri's from these, e.g.
> 
> <foo xmlns:xsd="http://...">
> <bar type="xsd:string" />
> </foo>
> 
> In my XSLT (or more correctly, my schematron based schema), i want to
> be able to resolve the namespace uri of the xsd:string QName.

Try 
  string(namespace::*[name()=substring-before(@type, ':')])

Mike Kay

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