On 20/09/2012 07:13, Ihe Onwuka wrote:
It would seem (somewhat paradoxically) that given the definition of
position() and last() they could be applied to @* which is
intrinsically unordered.
Actually, there is a total ordering relation (document order) over all
nodes. It's just that for two attributes of the same element (and
indeed, say, for two elements in different documents) the ordering
relation is implementation-dependent. So it's not correct to say that
they are "intrinsically unordered". They are ordered, but not in a
predictable way.
Michael Kay
Saxonica
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