bug#48447: 27.2.50; Font-lock error in temporary bibtex-mode buffer

[Roland Winkler]

On Wed, Jul 13 2022, Stefan Monnier wrote:
> Hmm... this looks like a workaround rather than a fix of the core
> problem because I can't see any use of "font-lock internals" in
> bibtex.el which would justify such a need.
>
> I suspect that the problem is linked to
> `syntax-propertize-via-font-lock`, so I think the fix should go there.

I am not sure I can follow.  Are you saying the proper solution to this
bug likely needs to go outside bibtex.el but into something like
syntax-propertize-via-font-lock?  That would put this bug far beyond my
emacs hacking skills.