1*4882a593SmuzhiyunCopyright 1989--2004 by Hunter Goatley. 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunPermission is granted to anyone to use this software for any purpose on any computer system, and to redistribute it freely, subject to the following restrictions: 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun1. This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun2. Altered versions must be plainly marked as such, and must not be misrepresented as being the original software. 8