This program is free software; you can redistribute it freely.
Use it at your own risk; there is NO WARRANTY.

Redistribution of modified versions is permitted provided that the following conditions are met:

- 1. All copyright & permission notices are preserved.
- 2.a) Only changes required for packaging or porting are made.
  or
- 2.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.