r#"Author: Tatu Ylonen <ylo@ngs.fi>

Copyright (c) 1991 Tatu Ylonen, Espoo, Finland

Permission to use, copy, modify, distribute, and sell this software
and its documentation for any purpose is hereby granted without
fee, provided that the above copyright notice appear in all copies.
This software is provided "as is" without express or implied
warranty.
"#