>Concerning (a), I think a wildcard namespace is as much a namespace as
Namespace.NO_NAMESPACE, and designing a special class just for this case
might be a too heavy design (i'm thinking about performances, code
compactness, and ease for the JDOM user).
 
Well, FWIW, my experience of API design is that if you try to keep the
design lightweight by conflating classes that should really be distinct, you
always end up regretting it in the end.

Michael Kay
http://www.saxonica.com/

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