It's actually giving different results under Saxon-B and
Saxon-SA (the join optimizer in Saxon-SA is kicking in and
getting something wrong). I'll look into it.
Michael Kay
http://www.saxonica.com/
In fact, it looks as if the result simply isn't being deduplicated: if an
element is selected for more than one reason, then it appears twice in the
result. You can force the deduplication by adding "/." to the expression.
The fix won't be quite so simple, because if the input sequence contains
duplicates then they have to be retained!
Michael Kay
http://www.saxonica.com/
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