Copyright 1997 by Emmanuel Frécon
The Swedish Institute of Computer Science

Any use of this software is permitted provided that this notice is not
removed and that neither the author nor the Swedish Institute of
Computer Science are deemed to have made any representations as to the
suitability of this software for any purpose nor are held responsible
for any defects of this software.  THERE IS ABSOLUTELY NO WARRANTY FOR
THIS SOFTWARE.

As a matter of courtesy, the author request to be informed about uses
this software has found, about bugs in this software, and about any
improvements that may be of general interest.

Stockholm, 13.5.1997
Emmanuel Frécon - emmanuel@sics.se