[xslt] Nodeset in extensions

[Jerome Pesenti <jpesenti yahoo com>]

In str:tokenize the current code goes through some
trouble to create a new document container for the
nodeset that is being generated (from what I can tell,
the container document is added to the context and
will be cleaned when the context is freed, which means
that all these containers are accumulated potentially
creating a memory problem if this function is called
too many times). So my question is: is that necessary?
isn't it possible to create nodesets without container
documents and if not, couldn't the same "dummy"
document be reused for all of them?

Thanks for your help!
Jerome Pesenti

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