(Nice that it could be done in a one liner.
but actually the for statement isn't that nice and isn't that like the
rest of xpath, its more of a foreign import from sql via xquery.
I nearly posted it as
for $i in ../../row return count(*)
but just corrected myself in time to
for $i in ../../row return count($i/*)
unlike pretty much every other xpath or xslt construct, for does not
change the current node so ".", relative path expressions, etc all
do not work as you might expect: they all stay relative to whatever was
the context outside the for.
so count(*) is wrong you have to go count($i/*) so the * is relative
to the node in the sequence that you are for-ing over.
This is destined to overtake "how do I make " as the number one
FAQ/problem in this list. Everyone will forget this.
David
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