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

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Oct 29 09:43:10 PDT 2012

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

Dave Barton <dbarton at mathscribe.com> changed:

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CC|                            |davidc at nag.co.uk,
|                            |eric at webkit.org,
|                            |fred.wang at free.fr

--- Comment #2 from Dave Barton <dbarton at mathscribe.com>  2012-10-29 09:44:26 PST ---
Looking at Jacques' first link, <semantics> seems for current implementation purposes to be sort of like an <object> tag, but instead of nested representations, there's a list of <annotation-xml> ones. Is that correct? Are we supposed to render the first one that we can handle? Maybe in principle the browser should be smart enough to pick a "best" child to render, but that won't happen soon (maybe ever?).

Sorry for the dumb questions, I haven't looked at Content MathML much yet. Expert guidance is appreciated!

P.S. Speaking of Firefox MathML, Neil Soiffer once mentioned in an e-mail "... support <semantics> (generated by MathType and other authoring tools) to the point of it not causing an error ... probably only a few hours work (just render the first child)." Perhaps he misspoke, but did Firefox do this, or maybe just render the last child? Should we match whatever behavior Firefox (or others) implemented? (MathJax? MathPlayer?)

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