bug#43837: 28.0.50; [NS] Internal border of inactive frame loses color

[Eli Zaretskii]

> From: Andrii Kolomoiets <andreyk.mad@gmail.com>
> Cc: Alan Third <alan@idiocy.org>,  43837@debbugs.gnu.org
> Date: Wed, 07 Oct 2020 10:42:13 +0300
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > Heh, I went through the rabbit hole and arrived at the same fix, now
> > installed on master.  Let's see what will it break, and then perhaps
> > we will understand why the old code used selected-frame there...
> 
> Well, with recent master:
> 
> 1. M-: (custom-set-faces '(default ((t :foreground "white" :background 
> "black"))))
> 2. C-x 5 2
> 
> And to fix the colors in the created frame:
> M-: (frame-set-background-mode (selected-frame))

So are you okay with reverting the fix and enduring the lesser problem
we had before?