I just posted an answer here but I am finding it impossible for >! to work with the \begin{align} environment. How can this be fixed?

  • 3
    $\begingroup$ The spoiler tag was added for sites like Gaming, SciFi and similar sites that deal with spoilers to games, movies or books. It was never meant to work in combination with MathJax, so I'm not suprised that it fails in certain cases there. Anything but plain text in a spoiler is pretty much an unsupported feature that might, or might not work. $\endgroup$
    – user9733
    Sep 9, 2013 at 21:19
  • $\begingroup$ Another posts concerning problems with MathJax in spoiler area: See here and here. $\endgroup$ Sep 10, 2013 at 6:12
  • $\begingroup$ As a smallish note, the MathJax rendering method (on the user's end) may also cause problems. As far as I've been able to discern, spoiler-ed math will be correctly hidden under the HTML-CSS option, but will not be hidden under SVG. ([right-click math] $\blacktriangleright$ Math Settings $\blacktriangleright$ Math Renderer $\blacktriangleright$ [option]) $\endgroup$
    – user642796
    Sep 10, 2013 at 6:25

1 Answer 1


It works if you don't try to include linebreaks in the MathJax. I took out the linebreaks and it works fine. Do the whole thing on one line.

  • $\begingroup$ Thank you. ${}{}{}{}$ $\endgroup$
    – Pedro Mod
    Sep 9, 2013 at 21:26

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