Subject: bug#25818: 25.2; frame moved off display does not return (OS X)

From: [email-masked] (Charles A. Roelli)
Date: Sun, 26 Feb 2017 12:26:46 +0100

See also https://debbugs.gnu.org/cgi/bugreport.cgi?bug=18801.  It's
possible that the problem was introduced from 24.3 to 24.4.