I have a schema with a lot of xsd:ID and xsd:IDREF. I’m trying to add some assertions to a redefined schema that require dereferencing the id. Here is an assert:

<xs:assert test="id(PersonId)/Profession/@label != ''" xpathDefaultNamespace="##defaultNamespace"/>

However, when testing an instance, Saxon throws Description: Element n1:Candidate does not satisfy assertion id(PersonId)/Profession/@label != ''”

XMLSpy is similarly displeased.

From what I’ve read on the internet, idref and id can only be used with DTD? I’m not sure why, a schema aware engine should be able to infer the data types of the tags as well.

Code is here:

https://gist.github.com/JDziurlaj/863f9f466b22b32bdc671e35555b7416

John Dziurłaj

Elections Consultant

Hilton Roscoe LLC
Cell 330-714-8935 Work/Fax 234-706-6434

PGP Fingerprint: 8466 BB28 6A92 EE06 F71D 1519 FB42 2861 6DC0 E92C