<report test="@id = (//@id[not(ancestor::meta)] except @id)">
The most
inefficient part of this is the test [not(ancestor::meta)] - it would be
nice if Saxon were smart enough to remember while scanning the elements
whether it has passed more meta start-tags than end-tags - but sadly, it
isn't.
couldn't that be rewritten as:
@id = //@id except (@id, //meta//@id)
to avoid the ancestor walk?
--
Andrew Welch
http://andrewjwelch.com
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