bug#81569: 31.0.90; easy-mmode.el: Zero seems inadvertently removed or omitted from documentation

>> Who uses zero, anyway, and why?
> Regarding this question: There are many cases in the Emacs source code
> itself where 0 is used to disable a mode, such as for example:

I think we should fix those because I don't think we should encourage
this use.

>     desktop.el:  (desktop-save-mode 0))
>     desktop.el:		 (auto-fill-mode 0))
>     desktop.el:        (desktop-save-mode 0)))
>     epa-hook.el:      (auto-save-mode 0)))
>     erc/erc-spelling.el:     (with-current-buffer buffer (flyspell-mode 0)))))
>     face-remap.el:      (buffer-face-mode 0)
>     face-remap.el:      (buffer-face-mode 0)
>     etc.
>
> Personally, I find this way to enable and disable a mode natural and
> easy to understand: 1 to enable a mode, 0 to disable it, so I can see
> why it is intuitively used in libraries, and in fact I also use it.

But such C-style practice would then suggest that calls like
(foo-mode -1) will also enable the mode, so I prefer to stay away
from such misleading practice.


=== Stefan