bug#22683: 25.1.50; auto-composition-mode

[Eli Zaretskii]

> From: Richard Stallman <rms@gnu.org>
> CC: 22683@debbugs.gnu.org
> Date: Tue, 16 Feb 2016 17:47:07 -0500
> 
> The words
> 
>   >   If called from Lisp,
>   > > enable the mode if ARG is omitted or nil.
> 
> seem to mean, "If the arg is omitted or nil, enable the mode;
> otherwise disable it."  I was surprised by the actual behavior.

Yes, the text is ambiguous.

> Does that text come from a macro?

No, it comes from the call to define-minor-mode.  Problem is, this is
a standard wording we have in more than 200 modes in Emacs.  If we
want to change that, we need to change all of them.