>># 
>># Copyright 1990, 1991 by the Massachusetts Institute of Technology and
>># UniSoft Group Limited.
>># 
>># Permission to use, copy, modify, distribute, and sell this software and
>># its documentation for any purpose is hereby granted without fee,
>># provided that the above copyright notice appear in all copies and that
>># both that copyright notice and this permission notice appear in
>># supporting documentation, and that the names of MIT and UniSoft not be
>># used in advertising or publicity pertaining to distribution of the
>># software without specific, written prior permission.  MIT and UniSoft
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>># 
>># $XConsortium: rtwdwofscr.m,v 1.6 92/06/11 16:01:52 rws Exp $
>># 
>>#
>>TITLE RootWindowOfScreen CH02
>>ASSERTION A RootWindowOfScreen-1
A call to RootWindowOfScreen returns the Window ID of the
root window of the screen screen.
>>STRATEGY
Obtain the root window ID of the default display using XDefaultRootWindow.
Obtain the root window ID of the default screen using RootWindowOfScreen.
Verify that the two window IDs are the same.
