I don't quite understand. This returns a nodeset with at
least one @type, perhaps 2 (if there is a default type). [1]
indexes the nodeset? Does indexing start at 0? If so, if
the 1th element isn't there does it just reference the nearest one?
It returns a sequence - NOT a set - of nodes, with zero, one, or two
members, and selects the first member of the sequence if there is one.
Michael Kay
http://www.saxonica.com/
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