>># 
>># 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: ispfky.m,v 1.4 92/06/11 17:36:50 rws Exp $
>># 
>>#
>>TITLE IsPFKey CH10
>>ASSERTION A IsPFKey-1
When the keysym argument is a PF key, then invocation of
the IsPFKey macro returns True.
>>STRATEGY
For each modifier key KeySym:
   Verify that IsPFKey returns True.
>>ASSERTION A IsPFKey-2
When the keysym argument is not a PF key, then invocation
of the IsPFKey macro returns False.
>>STRATEGY
Verify that IsPFKey returns False for the KeySym XK_A.
