fn:in-scope-prefixes

[Michael Kay]

> As others have said I don't think that in-scope-prefixes can 
> ever return duplicate strings, and your code worked (with 
> saxon) on the example you posted.

I'm working with Jim to identify the situations under which it is failing,
which seem to be associated with a high level of multithreading (and it's
OS-dependent as well).

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