[Webkit-unassigned] [Bug 44494] New: Disallow setting Document.xmlVersion to unsupported versions

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=44494

           Summary: Disallow setting Document.xmlVersion to unsupported
                    versions
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: XML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: andreas.kling at nokia.com


Document.xmlVersion can currently be set to any string.

According to DOM Level 3 Core, it should throw NOT_SUPPORTED_ERR if you attempt to set an unsupported version.

Spec link:
http://www.w3.org/TR/DOM-Level-3-Core/core.html#Document3-version

This would fix the following in-tree tests which currently expect failure due to us lying about XML 1.1 support:
- dom/xhtml/level3/core/canonicalform06.xhtml
- dom/xhtml/level3/core/documentsetxmlversion01.xhtml
- dom/xhtml/level3/core/documentsetxmlversion05.xhtml
- dom/xhtml/level3/core/infoset06.xhtml
- dom/xhtml/level3/core/infoset07.xhtml
- dom/xhtml/level3/core/wellformed01.xhtml
- dom/xhtml/level3/core/wellformed02.xhtml
- dom/xhtml/level3/core/wellformed03.xhtml
- dom/xhtml/level3/core/wellformed04.xhtml

This test will break (it checks if XML 1.1 is supported by setting document.xmlVersion = '1.1'):
dom/xhtml/level3/core/documentsetxmlversion03.xhtml

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