auctex: Copying
Copying
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AUCTeX primarily consists of Lisp files for Emacs, but there are also
installation scripts and files and TeX support files. All of those are
"free"; this means that everyone is free to use them and free to
redistribute them on a free basis. The files of AUCTeX are not in the
public domain; they are copyrighted and there are restrictions on their
distribution, but these restrictions are designed to permit everything
that a good cooperating citizen would want to do. What is not allowed
is to try to prevent others from further sharing any version of these
programs that they might get from you.
Specifically, we want to make sure that you have the right to give
away copies of the files that constitute AUCTeX, that you receive source
code or else can get it if you want it, that you can change these files
or use pieces of them in new free programs, and that you know you can do
these things.
To make sure that everyone has such rights, we have to forbid you to
deprive anyone else of these rights. For example, if you distribute
copies of parts of AUCTeX, 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 tell them their rights.
Also, for our own protection, we must make certain that everyone
finds out that there is no warranty for AUCTeX. If any parts are
modified by someone else and passed on, we want their recipients to know
that what they have is not what we distributed, so that any problems
introduced by others will not reflect on our reputation.
The precise conditions of the licenses for the files currently being
distributed as part of AUCTeX are found in the General Public Licenses
that accompany them. This manual specifically is covered by the GNU
Free Documentation License (Copying this Manual).