## Copyright (c) 1992-2017 Kazumasa Utashiro
##
## Original version on Jul 24 1991
##
## Use and redistribution for ANY PURPOSE are granted as long as all
## copyright notices are retained.  Redistribution with modification
## is allowed provided that you make your modified version obviously
## distinguishable from the original one.  THIS SOFTWARE IS PROVIDED
## BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES ARE
## DISCLAIMED.
##

