patent licenses, in effect making the program proprietary.
To prevent this, we have made it clear that any patent must
be licensed for everyone's free use or not licensed at all.
The precise terms and conditions for copying, distribution
and modification follow.
TERMS AND CONDITIONS FOR COPYING,
DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which
contains a notice placed by the copyright holder saying it
may be distributed under the terms of this General Public
License. The "Program", below, refers to any such program
or work, and a "work based on the Program" means either
the Program or any derivative work under copyright law:
that is to say, a work containing the Program or a portion of
it, either verbatim or with modifications and/or translated
into another language. (Hereinafter, translation is included
without limitation in the term "modification".) Each licensee
is addressed as "you".
Activities other than copying, distribution and modification
are not covered by this License; they are outside its scope. The
act of running the Program is not restricted, and the output
from the Program is covered only if its contents constitute a
work based on the Program (independent of having been
made by running the Program). Whether that is true depends
on what the Program does.
1. You may copy and distribute verbatim copies of the
Program's source code as you receive it, in any medium,
provided that you conspicuously and appropriately
publish on each copy an appropriate copyright notice and
disclaimer of warranty; keep intact all the notices that refer
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