1This entire subtree is copyright the University of Toronto. 2The following copyright notice applies to all files found here. None of 3these files contain AT&T proprietary source code. 4_____________________________________________________________________________ 5 6 Copyright (c) 1986 by University of Toronto. 7 Written by Henry Spencer. Not derived from licensed software. 8 9 Permission is granted to anyone to use this software for any 10 purpose on any computer system, and to redistribute it freely, 11 subject to the following restrictions: 12 13 1. The author is not responsible for the consequences of use of 14 this software, no matter how awful, even if they arise 15 from defects in it. 16 17 2. The origin of this software must not be misrepresented, either 18 by explicit claim or by omission. 19 20 3. Altered versions must be plainly marked as such, and must not 21 be misrepresented as being the original software. 22 23