User's Manual

145
Finally, any free program is threatened constantly by software
patents. We wish to avoid the danger that redistributors of a free
program will individually obtain 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 & conditions for copying, distribution, & modification
0. This License applies to any program or other work which con
-
tains 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. (Here
-
inafter, 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 Pro
-
gram 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 to this License and to the absence
of any warranty; and give any other recipients of the Program a
copy of this License along with the Program.