https://bugzilla.wikimedia.org/show_bug.cgi?id=30215

--- Comment #11 from 石庭豐 <[email protected]> ---
(In reply to Peter Krautzberger from comment #10)
> @石庭豐 the new version of the math extension is moving towards MathML, both
> internally and externally. I.e., TeX input is converted into MathML and
> rendered into image formats (or just left as is in Firefox).[deleted]

Thanks!  That's the missing part of information I needed to understand.

Converting TeX --> MathML --> PNG .... well, that's quite an indirect way of
rendering math expressions.  But if you are sure it's working at 100%, why not?
:)

> You can try the macro mentioned above on e.g.,
> http://cdn.mathjax.org/mathjax/latest/test/sample-dynamic-2.html to see a
> sample rendering. It's not ideal but it seems much better than nothing.

I have tried it but nothing is rendered - I could provide a screenshot if you
like.  I had also put it inside <math>...</math> tags but still nothing.  I had
also tried it in Wikipedia's sandbox but nothing came out (which was expected,
I suppose)

(In reply to physikerwelt from comment #9)
> [deleted]
> So back to the question: Do you think
> \overset{\mmlToken{mo}{&#x23DC;}}{XYZ}
> would solve the problem?

There are two aspects to this question: 1) rendered result and 2) facility.
For 1: as I cannot see any result, I cannot answer.
For 2: are you saying that
a) Wiki editors have to type your expression instead of \overarc{XYZ} in order
to have the arc symbol?   or
b) \orverarc{XYZ} will be translated into your expression internally?

If you're implying a), then the answer is "no, it would not solve the problem"
because
i) the TeX syntax is overarc (for those who know TeX, of course) but you force
users to use undocumented tweak without telling them what to do exactly;
ii) in the case \overarc is not supported, I would the TeX syntax I provided
(\overset{\frown}{AB}) which is a LOT shorter and cleaner. So the answer is
still "No"

If you're implying b), of course, that would solve the problem.

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