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Appendix E Open Source Licences
Media Server User’s Guide
451
of protecting users' freedom to change the software. The systematic pattern of such abuse occurs
in the area of products for individuals to use, which is precisely where it is most unacceptable.
Therefore, we have designed this version of the GPL to prohibit the practice for those products. If
such problems arise substantially in other domains, we stand ready to extend this provision to
those domains in future versions of the GPL, as needed to protect the freedom of users.
Finally, every program is threatened constantly by software patents. States should not allow
patents to restrict development and use of software on general-purpose computers, but in those
that do, we wish to avoid the special danger that patents applied to a free program could make it
effectively proprietary. To prevent this, the GPL assures that patents cannot be used to render the
program non-free.
The precise terms and conditions for copying, distribution and modification follow.
TERMS AND CONDITIONS
0. Definitions.
"This License" refers to version 3 of the GNU General Public License.
"Copyright" also means copyright-like laws that apply to other kinds of works, such as
semiconductor masks.
"The Program" refers to any copyrightable work licensed under this License. Each licensee is
addressed as "you". "Licensees" and "recipients" may be individuals or organizations.
To "modify" a work means to copy from or adapt all or part of the work in a fashion requiring
copyright permission, other than the making of an exact copy. The resulting work is called a
"modified version" of the earlier work or a work "based on" the earlier work.
A "covered work" means either the unmodified Program or a work based on the Program.
To "propagate" a work means to do anything with it that, without permission, would make you
directly or secondarily liable for infringement under applicable copyright law, except executing it on
a computer or modifying a private copy. Propagation includes copying, distribution (with or without
modification), making available to the public, and in some countries other activities as well.
To "convey" a work means any kind of propagation that enables other parties to make or receive
copies. Mere interaction with a user through a computer network, with no transfer of a copy, is not
conveying.
An interactive user interface displays "Appropriate Legal Notices" to the extent that it includes a
convenient and prominently visible feature that (1) displays an appropriate copyright notice, and
(2) tells the user that there is no warranty for the work (except to the extent that warranties are
provided), that licensees may convey the work under this License, and how to view a copy of this
License. If the interface presents a list of user commands or options, such as a menu, a prominent
item in the list meets this criterion.
1. Source Code.
The "source code" for a work means the preferred form of the work for making modifications to it.
"Object code" means any non-source form of a work.