Subject: bug#14575: 24.3.50.1; Overlays with a window property affect other windows

From: Eli Zaretskii <[email-masked]>
Date: Sat, 08 Jun 2013 22:32:50 +0300

> Date: Sat, 8 Jun 2013 19:47:24 +0100
> From: E Sabof <[email-masked]>
> Cc: [email-masked]
> 
> Cool, thanks. That was fast.

Well, it's Saturday...

Btw, this bug was introduced 2 years ago, during the development of
v24.1, and no one ever said anything until now.  I guess that speaks
volumes of how frequently people use window-specific overlays.