Basically, what happens when you have two namespace
declarations for the
same namespace URI is (a) your request to exclude a result prefix is
actually a request to exclude all namespace nodes for that namespace
URI; (b) the serializer (according to the XSLT 1.0 spec) is allowed to
add extra namespace nodes, and is required to add them where the
namespace URI is actually used. One would like the serializer
to add the
minimum set of necessary namespace nodes at this stage, but Saxon is
using the rule that if the namespace URI is used in the
result, then it
adds back all the namespace nodes for that URI, regardless of prefix.
This is inelegant, but not non-conformant. The serializer is actually
allowed to output any namespace declarations it chooses.
Michael Kay
Thanks.
Lars
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