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The equation $x = \{y\}$ is supposed to render like this x = {y} but instead in the preview pane it looks like this x = y. The escape sequences for curly braces, \{ and \}, do not render correctly. This is a recent problem (I posted a question with curly braces a couple months ago and it rendered correctly)

This seems like a bug (unless there's been some undocumented recent change to MathJax?). FWIW, my browser is Chrome version 111.0.5563.65 (on Windows 10)

Update: I tried on the Edge browser and it works as expected. So this looks like a Chrome-specific bug

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  • Welcome to Meta SE. FYI, a similar problem was reported about 6 days ago on the Mathematics Meta site at Why would escaped curly braces not be displayed by the mathjax plug-in?, although it's not clear from what's written there if it's an issue with just the preview, or also when the OP viewed the posted result.
    – John Omielan
    Mar 18 at 7:34
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    I hope I posted this in the right place? All the sub-sites (meta, vs math meta, etc.) is very confusing
    – NikS
    Mar 18 at 7:35
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    Due to MathJax being used on multiple SE sites then, as far as I know (and also based on what I've seen in several other questions here), posting here should be fine.
    – John Omielan
    Mar 18 at 7:36
  • Is it perhaps another one of them MathJax/Markdown interactions?
    – user3840170
    Mar 18 at 16:01
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    Does it work if you submit the post? If not, is there a certain number of backslashes that does work?
    – Laurel
    Mar 18 at 16:36
  • Didn’t try submitting the question (don’t want to submit a mangled question) There’s no end to hypothetical workarounds I could randomly try, but I think I’ll let Stackexchange’s engineering department take it from here.
    – NikS
    Mar 19 at 0:01
  • Doubtful it’s a MathJax/Markdown interaction. Problem occurs even with just the simple equation mentioned in my post.
    – NikS
    Mar 19 at 0:04
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    If you do want to try in a real post, you can use the Math Sandbox.
    – Laurel
    Mar 19 at 11:08

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