As MathJax requires JavaScript to render, it can't be rendered inside an email as emails don't allow the execution of arbitrary JavaScript.

This is a problem for readers of the MathExchange newsletter readers.

What can be done to handle this pain point?

My suggestion is to add a "Open in browser" button at the end of such emails. This link should open the newsletter as a webpage on the MathExchange website.

  • $\begingroup$ I'll just mention that MathJax isn't rendered in the preview available on the Stack Exchange website: stackexchange.com/digests and math.stackexchange.com/digest/preview - however, the point about Javascript is relevant only for emails. $\endgroup$ Jun 30 at 7:39
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    $\begingroup$ It would be helpful to link to info on the newsletter since it is likely not well known. $\endgroup$ Jun 30 at 7:44
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    $\begingroup$ @BillDubuque and csmathhc: Some basic info on newsletters can be found in the corresponding tag-info in this meta. Maybe this could be added as a source of information on newsleters (a.k.a. digests). And maybe there are some other sources which might be useful. $\endgroup$ Jun 30 at 9:08


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