Re: [xml-dev] The purpose of a namespace URI is ...

> I thought that -- by definition -- an XML vocabulary is a set of xs:QNames, where each local part has the same namespace URI part.
>
> No?
>
>    
I don't think vocabularies generally speaking must be associated with 
namespace URIs.  In XML Schema they are, but more broadly speaking, you 
are free to define a vocabulary in no namespace, or in several 
namespaces.  At least that's how I think of it.

-Mike