It is not the purpose of this section to induce you to infringe any patents or other property right
claims or to contest validity of any such claims; this section has the sole purpose of protecting
the integrity of the free software distribution system, which is implemented by public license
practices. Many people have made generous contributions to the wide range of software
distributed through that system in reliance on consistent application of that system; it is up
to the author/donor to decide if he or she is willing to distribute software through any other
system and a licensee cannot impose that choice.
This section is intended to make thoroughly clear what is believed to be a consequence of the
rest of this License.
8. If the distribution and/or use of the Program is restricted in certain countries either by patents
or by copyrighted interfaces, the original copyright holder who places the Program under this
License may add an explicit geographical distribution limitation excluding those countries, so
that distribution is permitted only in or among countries not thus excluded. In such case, this
License incorporates the limitation as if written in the body of this License.
9. The Free Software Foundation may publish revised and/or new versions of the General Public
License from time to time. Such new versions will be similar in spirit to the present version, but
may differ in detail to address new problems or concerns.
Each version is given a distinguishing version number. If the Program species a version
number of this License which applies to it and “any later version”, you have the option of
following the terms and conditions either of that version or of any later version published by the
Free Software Foundation. If the Program does not specify a version number of this License,
you may choose any version ever published by the Free Software Foundation.
10. If you wish to incorporate parts of the Program into other free programs whose distribution
conditions are different, write to the author to ask for permission. For software which
is copyrighted by the Free Software Foundation, write to the Free Software Foundation;
we sometimes make exceptions for this. Our decision will be guided by the two goals of
preserving the free status of all derivatives of our free software and of promoting the sharing
and reuse of software generally.
