>># 
>># 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
>># make no representations about the suitability of this software for any
>># purpose.  It is provided "as is" without express or implied warranty.
>># 
>># $XConsortium: dstryrgn.m,v 1.4 92/06/11 17:34:03 rws Exp $
>># 
>>#
>>TITLE XDestroyRegion CH10
>>ASSERTION B XDestroyRegion-1
A call to XDestroyRegion deallocates the storage associated
with the region r.
>>STRATEGY
Create a gc using XCreateGC.
For 20 iterations:
   Create a region using XPolygonRegion.
   Set the gc clip mask to the region using XSetRegion.
   Destroy the region using XDestroyRegion.
