Datasheet

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can change the software or use pieces of it in new free programs; and that

you know you can do these things.

To protect your rights, we need to make restrictions that forbid anyone to

deny you these rights or to ask you to surrender the rights. These restric-

tions translate to certain responsibilities for you if you distribute copies of

the software, or if you modify it.

For example, if you distribute copies of such a program, whether gratis or

for a fee, you must give the recipients all the rights that you have. You must

make sure that they, too, receive or can get the source code. And you must

show them these terms so they know their rights.

We protect your rights with two steps: (1) copyright the software, and (2)

offer you this license which gives you legal permission to copy, distribute

and/or modify the software.

Also, for each author’s protection and ours, we want to make certain that

everyone understands that there is no warranty for this free software. If the

software is modiﬁed by someone else and passed on, we want its recipi-

ents to know that what they have is not the original, so that any problems

introduced by others will not reﬂect on the original authors’ reputations.

Finally, any free program is threatened constantly by software patents. We

wish to avoid the danger that redistributors of a free program will individ-

ually obtain patent licenses, in effect making the program proprietary. To

prevent this, we have made it clear that any patent must be licensed for ev-

eryone’s free use or not licensed at all.

The precise terms and conditions for copying, distribution and modiﬁca-

tion follow.

GNU General, Public License

Terms and Conditions for Copying, Distribution and

Modiﬁcation

0. This License applies to any program or other work which contains a no-

tice 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 modiﬁ-

cations and/or translated into another language. (Hereinafter, translation

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