1r#"Copyright (C) 1991 by Jef Poskanzer. 2 3Permission to use, copy, modify, and distribute this software and its 4documentation for any purpose and without fee is hereby granted, provided 5that the above copyright notice appear in all copies and that both that 6copyright notice and this permission notice appear in supporting 7documentation. This software is provided "as is" without express or 8implied warranty. 9"#