> The default prefix for the function namespace is fn:, and the URI is:
> http://www.w3.org/2005/02/xpath-functions.

No. There is no default prefix for xpath (only xquery pre-defines the fn
prefix, it is not predefined in xpath or xslt) and the URI for the
namespace is 

 http://www.w3.org/2005/xpath-functions

David

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