>  There is a set of names which is named "".
>  
>    [Definition:] An XML namespace is a collection of names, 
>  identified by a URI reference [RFC2396], ...
>  
>  The null prefix is bound to this set by default. The null 
>  prefix is the only prefix which a conforming document can 
>  bind to this namespace. In which ways is this set of names 
>  not a namespace?

In the sense that "" is not a URI reference.

Michael Kay
Software AG
home: Michael.H.Kay@[...].com
work: Michael.Kay@[...].com 


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