[Bug 19671] New: [XQ3.0] Backwards compatibility and the version declaration


          Priority: P2
            Bug ID: 19671
          Assignee: jonathan.robie@gmail.com
           Summary: [XQ3.0] Backwards compatibility and the version
        QA Contact: public-qt-comments@w3.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: mike@saxonica.com
          Hardware: PC
            Status: NEW
           Version: Last Call drafts
         Component: XQuery 3.0
           Product: XPath / XQuery / XSLT

We have achieved a very high level of backwards compatibility between XQuery
3.0 and 1.0, as evidenced by the empty content of Appendix J.1.

In fact there is one major backwards incompatibility which is not included in
that list: an XQuery 3.0 processor is expected to reject a query that specifies
a version declaration of "1.0".

If there were many incompatibilities, this would make sense. But there are not.
If we believe that the list of incompatibilities is correct except for this
omission, then it makes no sense to require a 3.0 processor to reject a 1.0
query, and I propose that we change the rule.

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Received on Tuesday, 23 October 2012 16:54:09 UTC