[Webkit-unassigned] [Bug 85732] New: Add support for mlabeledtr element

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=85732

           Summary: Add support for mlabeledtr element
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
               URL: http://www.w3.org/TR/MathML/chapter3.html#presm.mlabel
                    edtr
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: MathML
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: fred.wang at free.fr
                CC: fred.wang at free.fr


"An mlabeledtr element represents one row in a table that has a label on either the left or right side, as determined by the side attribute. The label is the first child of mlabeledtr, and should be enclosed in an mtd. The rest of the children represent the contents of the row and are treated identically to the children of mtr; consequently all of the children must be mtd elements. "

MathJax relies on this element to implement equation labeling.
Note that this is not implemented in Firefox and that's one of the main reason why MathJax no longer uses Firefox's native MathML by default.

Some reftests:
http://devel.mathjax.org/testing/testsuite/MathMLToDisplay/Presentation/TablesAndMatrices/mlabeledtr/

Testcase from the W3C test suite:
http://www.w3.org/Math/testsuite/build/main/Presentation/TablesAndMatrices/mlabeledtr/mlabeledtr1-simple.xhtml

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