Hi Chris,

> Note: I haven’t been able to compute the return value of the hash function for
> my latex expression, because I can’t figure out what the arguments actually are,
> specifically `forbuffer`, `fg` and `bg`, but the above reasoning seems sound.
> Note: Removing specifically the images looking like the image associated with
> the latex expression that refuses to be regenerated, using some file manager,
> and then invoking `org-latex-preview`, does the trick, but it’s impractical.

Yea, `org-format-latex' is a bit of a nightmare. I’ve got a WIP overhaul of the
entire LaTeX preview system which is currently 95% of the way done. The new
system will still not notice changes in package source files, but it will be
easy to clear the cache and regenerate.

All the best,
Timothy

-- 
Timothy (‘tecosaur’/‘TEC’), Org mode contributor.
Learn more about Org mode at <https://orgmode.org/>.
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