>># 
>># 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: ptbckevnt.m,v 1.7 92/06/11 17:24:23 rws Exp $
>># 
>>#
>>TITLE XPutBackEvent CH08
>>ASSERTION A XPutBackEvent-1
A call to XPutBackEvent pushes a copy of event onto the
head of the display's event queue.
>>STRATEGY
Call XSync to empty event queue.
Call XPutBackEvent to push event onto the head of the event queue.
Call XPeekEvent to verify that first event is the event that was pushed.
Call XPutBackEvent to push another event onto the head of the event queue.
Call XPeekEvent to verify that first event is the event that was pushed.
>>ASSERTION B XPutBackEvent-2
A call to XPutBackEvent can be made an unlimited number of
times in succession.
>>STRATEGY
Call XPutBackEvent 1000 times.
