1Flex carries the copyright used for BSD software, slightly modified 2because it originated at the Lawrence Berkeley (not Livermore!) Laboratory, 3which operates under a contract with the Department of Energy: 4 5 Copyright (c) 1990 The Regents of the University of California. 6 All rights reserved. 7 8 This code is derived from software contributed to Berkeley by 9 Vern Paxson. 10 11 The United States Government has rights in this work pursuant 12 to contract no. DE-AC03-76SF00098 between the United States 13 Department of Energy and the University of California. 14 15 Redistribution and use in source and binary forms with or without 16 modification are permitted provided that: (1) source distributions 17 retain this entire copyright notice and comment, and (2) 18 distributions including binaries display the following 19 acknowledgement: ``This product includes software developed by the 20 University of California, Berkeley and its contributors'' in the 21 documentation or other materials provided with the distribution and 22 in all advertising materials mentioning features or use of this 23 software. Neither the name of the University nor the names of its 24 contributors may be used to endorse or promote products derived 25 from this software without specific prior written permission. 26 27 THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 28 IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 29 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 PURPOSE. 31 32This basically says "do whatever you please with this software except 33remove this notice or take advantage of the University's (or the flex 34authors') name". 35 36Note that the "flex.skl" scanner skeleton carries no copyright notice. 37You are free to do whatever you please with scanners generated using flex; 38for them, you are not even bound by the above copyright. 39