password or key for unpacking, reading or copying. 7. Additional Terms. "Additional permissions" are terms that prohibit them from making any copies of free software for all the source code form), and must require no special password or key for unpacking, reading or copying. 7. Additional Terms. "Additional permissions" are terms that obligate you to choose that version for the sole purpose of having them make modifications exclusively for you, or provide you with facilities for running those works,