On 12/04/2010 11:44, Alex Muir wrote:
select="round(avg($lines[last()]/preceding-sibling::node()/@length))"
as="xs:double"/>
probably $lines[last()]/preceding-sibling::node()/@length could be
simplified to $lines[position() < last()]/@length but I doubt that
makes any difference as there is a suspision that the error message is
generated in part of the code not shown. The list guidelines suggest
that you make a complete small test case with input and expected output.
David
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