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Bug #5194
closed
"except" operator not working correctly within anonymous function body
Start date:
2021-12-29
Due date:
% Done:
100%
Estimated time:
Legacy ID:
Applies to branch:
10, 11
Fix Committed on Branch:
10, trunk
Description
Found by Dimitre on the XSL list:
Saxon 10.6 HE and SaxonCS give the result <?xml version="1.0" encoding="UTF-8"?><a/><c/><b/><b/>
for the code let $xml := parse-xml('<t><a/><b/><c/></t>'), $nodes := ($xml/*/a, $xml/*/c, $xml/*/b, $xml/*/b) return $nodes => fold-left((), function($all, $this) {$all, $this except $all})
e.g.
java -cp "C:\Program Files\Saxonica\SaxonHE10-6J\saxon-he-10.6.jar" net.sf.saxon.Query -qs:"let $xml := parse-xml('<t><a/><b/><c/></t>'), $nodes := ($xml/*/a, $xml/*/c, $xml/*/b, $xml/*/b) return $nodes => fold-left((), function($all, $this) {$all, $this except $all})"
<?xml version="1.0" encoding="UTF-8"?><a/><c/><b/><b/>
gives that result
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