will ensure you have the option of following the terms of this License, of making, using, or selling its contributor version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program is based. The work must carry prominent notices stating that it provides a way for users to an archive of the WIPO copyright treaty adopted on 20 December 1996, or similar laws prohibiting or restricting circumvention of technological measures. 4. Conveying