1*4882a593SmuzhiyunThis program is free software; you can redistribute it freely. 2*4882a593SmuzhiyunUse it at your own risk; there is NO WARRANTY. 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunRedistribution of modified versions is permitted provided that the following conditions are met: 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun1. All copyright & permission notices are preserved. 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun2.a) Only changes required for packaging or porting are made. 9*4882a593Smuzhiyun or 10*4882a593Smuzhiyun2.b) It is clearly stated who last changed the program. The program is renamed or the version number is of the form x.y.z, where x.y is the version of the original program and z is an arbitrary suffix. 11