The XQuery 3.1 Engine of XMLSpy conforms to the World Wide Web Consortium's (W3C's) XQuery 3.1 Recommendation of 21 March 2017 and includes support for XPath and XQuery Functions 3.1. The XQuery 3.1 specification is a superset of the 3.0 specification. The XQuery 3.1 engine therefore supports XQuery 3.0 features.
Implementation-specific characteristics are the same as for XQuery 1.0.
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