Re: Emacs's set-frame-size can not work well with gnome-shell?

[Dmitry Gutov]

On 07.04.2020 17:39, Robert Pluim wrote:
>      Dmitry> (string-match-p "GTK3" system-configuration-features) seems to do 
> the trick.
>
> C-h v system-configuration-features says:
>      This is mainly intended for diagnostic purposes in bug reports.
>      Don't rely on it for testing whether a feature you want to use is 
> available.
>
> If this kind of stuff is really needed (and I hope it isnʼt) then we
> should come up with a lisp variable with a guaranteed set of values
> for toolkit type.

Is it really unreliable or just subject to change?

Since we still hope that Emacs 28 won't need this particular check, and 
the variable has been present in all recent releases, maybe it's good 
enough.