[Bug 5904] New: Unknown attributes in vc namespace

http://www.w3.org/Bugs/Public/show_bug.cgi?id=5904

           Summary: Unknown attributes in vc namespace
           Product: XML Schema
           Version: 1.1 only
          Platform: PC
        OS/Version: Windows NT
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Structures: XSD Part 1
        AssignedTo: cmsmcq@w3.org
        ReportedBy: mike@saxonica.com
         QAContact: www-xml-schema-comments@w3.org


It's not currently defined that unknown attributes in the vc: namespace are
erronous, so misspelling an attribute name such as vc:typesUnavailable is
likely to be troublesome to diagnose, because the attribute will simply be
ignored.

I propose adding to Schema Representation Constraint: Conditional Inclusion
Constraints the rule:

Any attribute that appears on an element information item in a ·schema
document·, and whose name is in the schema versioning namespace, MUST have the
local name minVersion, maxVersion, typeAvailable, typeUnavailable,
facetAvailable, or facetUnavailable.


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Received on Tuesday, 29 July 2008 13:52:37 UTC