howto debug broken redering (css leaks?)

This is an issue, but probably also a question. I’m developing cocalc.com and when attempting to update 0.10 or 0.10.1, some renderings are broken. It is broken in the newest Chrome and Firefox browsers, hence I think it must be something with the page’s css styling itself.

The only problem is, I haven’t figured out what it is. I have checked the styles for all those nested katex elements, and I haven’t found anything. Is there a general way how to work this out, or some ideas how to debug that?

Below is a screenshot how it looks. The first problem was that the c isn’t inside of the circle for the new copyright sign, and the second issue is that the horizontal fraction bar for \frac doesn’t show up. The integral looks fine, although again, the fraction bar is lost.

and well, it’s also a bugreport, because I would expect that katex is robust against anything that’s going on here

[haraldschilly]

Sorry for taking your time, this was all my mistake. There was a configuration mishap and well, if anyone else has this issue, there is a CSS file for an older version of KaTeX 😵

However, thank’s for pointing out how the fraction line is done.

[ylemkimon]

Note that there is a full-working demo on our website, so you can try, inspect and compare the correct rendering.