Re: checking for light or dark background

[Eli Zaretskii]

> Date: Wed, 02 Feb 2022 13:27:58 +0000
> From: goncholden <goncholden@protonmail.com>
> Cc: help-gnu-emacs@gnu.org
> 
> 
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> 
> On Wednesday, February 2nd, 2022 at 1:25 PM, goncholden 
> <goncholden@protonmail.com> wrote:
> 
> > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> >
> > On Wednesday, February 2nd, 2022 at 12:56 PM, Eli Zaretskii eliz@gnu.org 
> > wrote:
> >
> > > Date: Wed, 02 Feb 2022 09:26:02 +0000
> > >
> > > From: goncholden via Users list for the GNU Emacs text editor 
> > > help-gnu-emacs@gnu.org
> > >
> > > I want to determine whether emacs is using a light or dark background. 
> > > This could be set up by emacs itself
> > >
> > > or by a theme.
> >
> > Like this:
> >
> > (frame-parameter nil 'background-mode)
> >
> > This evaluates to either light or dark. Very neat compared to what I was 
> > playing with initially.
> 
> 
> The problem I was having was that for Emacs 27.2, the command 
> (frame--current-backround-mode nil)
> was not available.  What is the recommendation for Emacs>=28.

I don't understand: (frame-parameter nil 'background-mode) works for
Emacs 28 and later as well.