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[Bug 10942] New: [XPath21] editorial: Basics: defn of 'undefined'

From: <bugzilla@jessica.w3.org>
Date: Fri, 01 Oct 2010 07:08:22 +0000
To: public-qt-comments@w3.org
Message-ID: <bug-10942-523@http.www.w3.org/Bugs/Public/>

           Summary: [XPath21] editorial: Basics: defn of 'undefined'
           Product: XPath / XQuery / XSLT
           Version: Member-only Editors Drafts
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: minor
          Priority: P2
         Component: XPath 2.1
        AssignedTo: jonathan.robie@redhat.com
        ReportedBy: jmdyck@ibiblio.org
         QAContact: public-qt-comments@w3.org
        Depends on: 10939,10940

[Affects XQuery11 too.]

2 "Basics", para 4:

"[Definition: In certain situations a value is said to be 'undefined' (for
example, the value of the context item, or the typed value of an element node).
This term indicates that the property in question has no value and that any
attempt to use its value results in an error.]"

We shouldn't say (as the first sentence does) that a *value* is undefined (an
XDM instance can't be undefined), but rather (as the second does) that a
"property* is undefined. (I.e., a box that normally contains a value does not
currently contain anything.)

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Received on Friday, 1 October 2010 07:08:25 UTC

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