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

[Stefan Monnier]

>> 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?
>
> Would it make sense to make `font-lock-ensure' try harder here, and
> (temporarily) force font-lock mode on (even in temporary buffers) if it
> isn't already?

I haven't seen a bug report yet, so I don't know what there is to fix,
so I really can't judge.  But my request for a bug report is indeed
because I hope the problem can be fixed on the side of
`font-lock-ensure`.


        Stefan