From: Heime <heimeborgia@protonmail.com>
To: Michael Heerdegen <michael_heerdegen@web.de>
Cc: help-gnu-emacs@gnu.org
Subject: Re: Testing whether a mode is enabled
Date: Sun, 16 Oct 2022 23:26:26 +0000 [thread overview]
Message-ID: <AFxJK7UxXqYNpbF_i7T26UP9BBqaw1Sr2CM1DRtMHrNmocBkXaIpzMXfp2rhfl04peiuhjwp3sIfDpJGa7xMip8szhLU7KSqzvG4ulch7mw=@protonmail.com> (raw)
In-Reply-To: <871qr7fji1.fsf@web.de>
Sent with Proton Mail secure email.
------- Original Message -------
On Sunday, October 16th, 2022 at 11:15 PM, Michael Heerdegen <michael_heerdegen@web.de> wrote:
> Heime via Users list for the GNU Emacs text editor
> help-gnu-emacs@gnu.org writes:
>
> > I am uncertain because of the numeric values used to enable and disable.
>
>
> The variable has a docstring. This is the crucial source for you.
> Nearly all mode variables are interpreted as Bools in Emacs.
I see. Which is either t or nil in the docstring.
> The argument of the mode functions is different because it is often also
> the prefix arg, which is a number (not even only just that, actually).
> But it can also be called from Elisp. That's why its semantics are a
> bit ugly.
>
> Michael.
Not trivial.
prev parent reply other threads:[~2022-10-16 23:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-16 15:24 Testing whether a mode is enabled Heime via Users list for the GNU Emacs text editor
2022-10-16 23:15 ` Michael Heerdegen
2022-10-16 23:26 ` Heime [this message]
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