Copyright (C) 1993 Peter Kabal

The program pltfilter and its constituent routines are provided free of charge
without warranty of any kind.  All components are copyrighted.  They may be
distributed free of charge provided that the recipients also acquire the
right to distribute them.  In no case can this software be incorporated into
into a work which is distributed for a fee.

$Id: Copying,v 1.1 1993/02/05 pltfilter-V2R1 $
