bug#56637: 28.1.90; [FR] Allow a way around font-lock-mode being unconditionally disabled in " *hidden*" buffers

[Ihor Radchenko]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> We do use `font-lock-ensure', but it does not always produce the same
>> results with/without font-lock-mode enabled.
>
> I'm not completely surprised, because I remember when writing
> `font-lock-ensure` that there are many corner cases some of which seem
> very difficult to fix without actually enabling `font-lock-mode`, but we
> should still strive to be "as close as possible", so ... do you have
> a bug report with some concrete cases we could try to fix?

Apart from the reddit thread I mentioned, where the problem comes from
web-mode directly setting font-lock-face, I also provided an example
with noninteractive Emacs in my reply to Eli.

Best,
Ihor