Subject: bug#55451: 28.1.50; Executing (jit-lock-mode -1) does not disable jit-lock-mode

From: Lars Ingebrigtsen <[email-masked]>
Date: Wed, 18 May 2022 19:27:58 +0200

Ihor Radchenko <[email-masked]> writes:

> However, I am confused why it is impossible to follow +1/-1 convention.
> Looking through jit-lock.el I do not see any place where any value other
> than non-nil/nil is considered.

It would be incompatible -- all non-nil values switch jit-lock on
presently, including -1.

It's pretty unlikely that anybody's using -1 to switch it on, though.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no