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[Bug 29968] New: [XDM 3.1] XDM - implied limit on array size

From: <bugzilla@jessica.w3.org>
Date: Mon, 31 Oct 2016 17:24:07 +0000
To: public-qt-comments@w3.org
Message-ID: <bug-29968-523@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=29968

            Bug ID: 29968
           Summary: [XDM 3.1] XDM - implied limit on array size
           Product: XPath / XQuery / XSLT
           Version: Candidate Recommendation
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Data Model 3.1
          Assignee: ndw@nwalsh.com
          Reporter: mike@saxonica.com
        QA Contact: public-qt-comments@w3.org
  Target Milestone: ---

In 2.8.3.1, the signature of the accessor function

dm:array-size($array as array()) as xs:unsignedLong

could be read as implying that implementations must allow an array with 2^64-1
members, or alternatively that they must not allow it to have more than this
number. I don't believe either of these interpretations is intended.

I suggest therefore that the type of the result be changed to
xs:nonNegativeInteger.

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