Path: utzoo!attcan!uunet!husc6!bloom-beacon!ZERMATT.LCS.MIT.EDU!RWS
From: RWS@ZERMATT.LCS.MIT.EDU (Robert Scheifler)
Newsgroups: comp.windows.x
Subject: window groups
Message-ID: <19880513120216.4.RWS@KILLINGTON.LCS.MIT.EDU>
Date: 13 May 88 12:02:00 GMT
References: <8805130516.AA11242@BigMoma.ardent.com>
Sender: daemon@bloom-beacon.MIT.EDU
Organization: The Internet
Lines: 8

Window groups are for clients that create multiple top-level windows as
a "single" application, and want the window manager to treat them as a
"unit".  They were not designed for the window manager to group a random
collection of windows from multiple clients.

    There's no XSetProperty() type of routine that I can see anywhere.

XChangeProperty().