Drawing Area Widget and Demo

  The drawingArea widget is an Athena-style widget that has callbacks
for expose, input, motion and resize events.

  Included is a demo program that uses the drawingArea widget.

  To compile and run:
    xmkmf
    make
  If you do not have xmkmf:
    make -f Makefile.std


Copying:
   Copyright 1993, David Nedde
   Permission to use, copy, modify, and distribute this software
   and its documentation for any purpose and without fee is granted
   provided that the above copyright notice appears in all copies.
   It is provided "as is" without express or implied warranty.
