[Bug 9887] New: parsing algorithm should allow HTML content in MathML <annotation-xml>

http://www.w3.org/Bugs/Public/show_bug.cgi?id=9887

           Summary: parsing algorithm should allow HTML content in MathML
                    <annotation-xml>
           Product: HTML WG
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: HTML5 spec (editor: Ian Hickson)
        AssignedTo: ian@hixie.ch
        ReportedBy: mike@w3.org
         QAContact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html@w3.org


for more context, see comments in bug 9859 -- in particular, this comment from
Simon:

  http://www.w3.org/Bugs/Public/show_bug.cgi?id=9859#c2

relevant excerpts from that:

[[
The HTML5 parser only allows <svg> or MathML in <annotation-xml>. Not HTML."

We could change the parser to allow HTML there (like it allows HTML in MathML
<mi>), but then it would break MathML in <annotation-xml>. The MathML spec has
an example with MathML in <annotation-xml>.

Maybe we need a special tag that enables HTML in <annotation-xml>? <div>? It
means MathML can't have a future element called <div>.

"A start tag whose tag name is "svg" or "div" if the current node is an
annotation-xml element in the MathML namespace."
]]

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Received on Wednesday, 9 June 2010 02:28:15 UTC