Wikibooks:Reading room/Technical Assistance

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Welcome to the Technical Assistance reading room. Get assistance on questions related to MediaWiki markup, CSS, JavaScript, and such as they relate to Wikibooks. This is not a general-purpose technical support room.

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Proposing the replacement of Math extension by SimpleMathJax[edit]

Hi, I have had difficulties with the \mathop operand which is not working and I wonder why the Math extension is not yet replaced by the SimpleMathJax extension (which really simplifies our lives, suppressing texvc, png /images/maths directories etc). Some old browsers could not display the formula but how many are they today? The following code

<math>\mathop{\int\!\!\!\int\!\!\!\int}_{\Pi-\varpi} u(y){\partial a(y) \over \partial y_i}\,\mathrm{d} y_i</math>

should render (and is rendering with SimpleMathJax) as

but is rendering with the current Math extension as:

or (with the exact above code):

The mathop is supposed here to make the triple integral a math operator and to center the limit under the sign. And it doesn't work. For the first two formulas, I used respectively the \limits and \nolimits of the \iiint amsmath macro. The current non working mathop makes the last display similar to the default \nolimits. I think that any attribute of the math markup doesn't work with integrals using the Math extension (and are most of time inappropriate).

--Nbrouard (discusscontribs) 09:17, 28 April 2016 (UTC)