Subject: bug#55103: 29.0.50; Server mode + reuseable-frames + switch-to-buffer-other-window + *scratch* => hang

From: Po Lu <[email-masked]>
Date: Mon, 25 Apr 2022 16:55:18 +0800

Lars Ingebrigtsen <[email-masked]> writes:

> Yes, I don't think Emacs can, in general, know whether a frame is
> visible on the same actual display as another frame.

If that happens, then IMNSHO there is a problem in the user's setup,
since it's at the very least wasteful, and will probably cause problems
in the long run.

For example, drag-and-drop doesn't work between two frames with
different terminals connected to the same display.