I clicked on $\mathbb{RP}^n\times\mathbb{RP}^n$ in this title

enter image description here

Instead of taking me to the question, it stays on the same page but now displays this

enter image description here

If I click on $\mathbb{CP}^n$ instead, I go to the question itself. (Here is a link to the post: Is there an explicit description of a cobordism between $\mathbb{CP}^n$ and $\mathbb{RP}^n\times\mathbb{RP}^n$?.)

To test it use, e.g., the mentioned question in the list https://mathoverflow.net/questions/tagged/cobordism

Why is this happening and can it be fixed?

  • $\begingroup$ Do you get the blue box or did you add that to highlight the change? For me the situation is if I click once the formula moves (and only this), if I click it again the link works and briefly the formula jumps back. (Of course this is still puzzling.) $\endgroup$
    – user9072
    Commented Feb 17, 2016 at 14:36
  • 1
    $\begingroup$ I get the blue box. $\endgroup$ Commented Feb 17, 2016 at 14:36
  • 1
    $\begingroup$ This may have something to do with the MathJax contextual menu. On typical desktop browsers, it is activated by right click on the formula, but e.g. on mobile devices, there is no way to distinguish left and right. $\endgroup$ Commented Feb 17, 2016 at 15:52
  • 2
    $\begingroup$ The outline is caused by new behavior in MathJax 2.6 -- it adds equations to the tabindex for accessibility reasons. However, the glitch is independent of that (you can disable the tabindex behavior via the menu). You can also trigger it by right-clicking on the link's regular text and then reset the glitch by clicking elsewhere in the page. So it looks like a CSS quirk. Still, I've filed github.com/mathjax/MathJax/issues/1390 to take another look. $\endgroup$ Commented Feb 17, 2016 at 20:40


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