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[Bug 1531] New: [FS] editorial: 2.1.2 Notations for judgments

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Date: Sat, 09 Jul 2005 23:01:56 +0000
To: public-qt-comments@w3.org
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Message-Id: <E1DrOKa-00050o-3r@wiggum.w3.org>

http://www.w3.org/Bugs/Public/show_bug.cgi?id=1531

           Summary: [FS] editorial: 2.1.2 Notations for judgments
           Product: XPath / XQuery / XSLT
           Version: Last Call drafts
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Formal Semantics
        AssignedTo: simeon@us.ibm.com
        ReportedBy: jmdyck@ibiblio.org
         QAContact: public-qt-comments@w3.org


2.1.2 Notations for judgments

"A judgment can contain symbols and patterns."
    In a judgment such as
       Expr1 + Expr2 : Type
    is the plus sign a symbol or pattern? Neither, it seems.
    Is there a name for what it is?
    See my comments on the previous Last Call draft for more.
    http://lists.w3.org/Archives/Public/public-qt-comments/2004Apr/0107.html
    (comment #015)

"Patterns are written with italicized words."
    This strikes me as very odd use of the word "pattern". Do you have a
    reference for it?
    (This is another leftover from last year, comment #016.)

"By convention, all patterns in the Formal Semantics correspond to grammar
non-terminals"
    This is not entirely true. Here are some counter-examples:
        AttributeValueContent, ElementContent
        Axis
        ConstructionMode
        Error, dynError, typeError
        LocationHints
        SequenceOp, ArithOp, UnaryArithOp, ValueOp, GeneralOp
        URI-or-#NULL-NAMESPACE
        Variable

"If the same pattern occurs twice in a judgment description"
    Delete "description" ?

"cannot be both instance of the pattern"
    s/be both instance/both be instances/

"We may write not(Judgment) the judgment which holds ..."
    Delete "the judgment"?  Replace with comma?

"an "object" may take a value ..."
    It would be more precise to say:
        "a pattern may be instantiated to a value"

"the object Color"
    s/object/pattern/

"those set of possible value"
    Change to "that set of possible values"

"For instance, the judgment ... which holds, if ..."
    Delete "which" and comma.
Received on Saturday, 9 July 2005 23:01:58 UTC

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