Copyright © 1992,1993,1994 by Russell Leighton.  All Rights Reserved.

Permission  is  granted  to any individual or institution to use, copy, and
distribute  this  software,  provided  that  this  copyright and permission
notice  is  maintained, intact, in all copies and supporting documentation.
The   original  distribution  of  this  software  must  remain  intact  and
specifically  must include all documentation, supporting software/data, and
disclaimer.

No  charge  may  be made for distribution, except for costs of media and/or
shipping.