[Webkit-unassigned] [Bug 100626] Support semantics annotation-xml elements

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=100626





--- Comment #10 from Frédéric Wang <fred.wang at free.fr>  2012-10-29 10:41:54 PST ---
(In reply to comment #7)
> I think the correct implementation (as far as I can glean from the Spec) is
> 
> 1) If the first child is a PMML element, render that.
> 2) If not, go through the <annotation-xml> and <annotation> children and render the first one that you support (an <annotation-xml> containing SVG or (X)HTML, or an <annotation> containing plain text).
> 
> That would work fine with my content (where the first child is <annotation-xml> containing SVG).

Yes, that's the way I was thinking about it. For Gecko implementation, I'm wondering how to know whether the first element is a presentation MathML element but I guess the child frame can just pass the information "I'm a presentation MathML element" to its semantics parent.

It's still not clear to me that the first child can actually be an annotation itself. From the W3C note, it seems that using a dummy <csymbol> would work, but is it allowed to just not use this "first child"?

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