Subject: bug#3598: 23.0.94; doc string of frame-root-window

From: "Drew Adams" <[email-masked]>
Date: Wed, 17 Jun 2009 10:23:31 -0700

Note too that "root window" means something about window manager
windows (e.g. X Window), outside Emacs, so it is all the more
important to explain this concept a frame's root window.