bug#64048: 30.0.50; global-display-line-numbers-mode has no easy way to set modes where it is enabled

[Ihor Radchenko]

Eli Zaretskii <eliz@gnu.org> writes:

>> that will also define `display-line-numbers-modes' variable that
>> controls where the global mode is enabled/disabled?
>> 
>> Maybe it should even be the default in `define-globalized-minor-mode'
>> when :predicate is not defined.
>
> I think it's too late for such changes, because it will definitely
> break someone's setup.

May you please elaborate?

IMHO, the only way honouring `global-foo-modes' variable will break
someone's setup is when somebody sets `global-foo-modes' (which has no
effect now) and expects that there will be no effect in future as well.

-- 
Ihor Radchenko // yantar92,
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