User's Manual

134
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 dier in detail to address new problems or
concerns.
Each version is given a distinguishing version number. If the
Program species 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 dierent, 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.