Subject: bug#50141: Current part of emacs red, other parts blue

From: martin rudalics <[email-masked]>
Date: Sat, 21 Aug 2021 17:03:14 +0200

>> It is already implemented AFAICS:
 >>
 >> (require 'auto-dim-other-buffers)
 >> (set-face-attribute 'default nil :background "red")
 >> (set-face-attribute 'auto-dim-other-buffers-face nil :background "blue")
 >> (auto-dim-other-buffers-mode 1)
 >>
 >> It uses the :filtered feature introduced in Emacs 27.
 >
 > Oh, cool.  I guess there isn't more to do here, then...

I doubt it would work when showing the same buffer in two windows.

martin