In the example above the two sequences consist not of nodes, but of
*references to nodes*. This is a very useful new datatype, not present in
the XPath data model. Will it not be nice to explain this in detail in the
XSLT spec.?
Whenever a sequence involves a node, isn't it implicitly a reference? The
only scenario I can think of where this might not be true is in XQuery,
where you can have
(element a, element b, element c)
However, this is not, to my understanding, supported in XSLT2.
-- Kurt
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