Charles Blair wrote:
i'm looking for an easy way to compare differences between two documents, something that will return just those elements that are different, something like op:except in the w3c recommendation. if anyone has such a thing, i'd appreciate it. thanks.
If I understand correctly, op:except isn't suitable for your use-case because op:except uses node-identity comparison. So this sounds like a job for fn:deep-equal().
let $a := document { <test id="a"/> }
let $a1 := document { <test id="a"/> }
let $b := document { <test id="b"/> }
return ($a1, $b)[ not(deep-equal(., $a)) ]
=> <test id="b"/>
http://www.w3.org/TR/xpath-functions/#func-deep-equal
-- Mike
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