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Okay, just a quick test using the attached schema and
document:
XSV 2.0-3: okay
SQC 2.1.1: error (although it's surely
wrong):
<field
xpath="act:name|act:desc"/>
evaluates to the following two objects
which may appear at the same time in an instance document :
<element
maxOccurs="1" minOccurs="1" name="name" type="normalizedString" xmlns="http://www.w3.org/2001/XMLSchema"/>
I'm not sure either one is doing a complete job of
validating the schema. While XSV is the most correct, it doesn't complain
if you remove either act:name or act:desc from the key's field XPath (neither
does SQC). It would seem that it should, since both fields are in a choice
model group, and if the one in the key field is missing XSV will throw a
document validation error.
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