    Copyright 1991 Rich Salz.
    All rights reserved.
    $Revision: 1.4 $

    Redistribution and use in any form are permitted provided that the
    following restrictions are are met:
       1.  Source distributions must retain this entire copyright notice
           and comment.
       2.  Binary distributions must include the acknowledgement ``This
           product includes software developed by Rich Salz'' in the
           documentation or other materials provided with the
           distribution.  This must not be represented as an endorsement
           or promotion without specific prior written permission.
       3.  The origin of this software must not be misrepresented, either
           by explicit claim or by omission.  Credits must appear in the
           source and documentation.
       4.  Altered versions must be plainly marked as such in the source
           and documentation and must not be misrepresented as being the
           original software.
    THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
    WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
    MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
