Re: Cheaper to prepend or append an item to a sequence
>> <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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