User's Manual

117
patents. We wish to avoid the danger that redistributors of a free
program will individually obtain patent licenses, in eect making
the program proprietary. To prevent this, we have made it clear

licensed at all.
The precise terms and conditions for copying, distribution and
modication follow.
Terms & conditions for copying, distribution, & modication
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 modications and/or translated into another language.
(Hereinafter, translation is included without limitation in the
term modication.) Each licensee is addressed as “you”.
Activities other than copying, distribution and modication
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.
 
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.
You may charge a fee for the physical act of transferring a
copy, and you may at your option oer warranty protection in

2. You may modify your copy or copies of the Program or any