851 lines
40 KiB
Groff
851 lines
40 KiB
Groff
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.\" ========================================================================
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.\"
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.IX Title "GPL 7"
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.TH GPL 7 "2023-07-27" "gcc-13.2.0" "GNU"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.SH "NAME"
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gpl \- GNU General Public License
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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.SS "\s-1GNU\s0 General Public License"
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.IX Subsection "GNU General Public License"
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.SS "Version 3, 29 June 2007"
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.IX Subsection "Version 3, 29 June 2007"
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.Vb 1
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\& Copyright (c) 2007 Free Software Foundation, Inc. <https://www.fsf.org>
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\&
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\& Everyone is permitted to copy and distribute verbatim copies of this
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\& license document, but changing it is not allowed.
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.Ve
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.SS "Preamble"
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.IX Subsection "Preamble"
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The \s-1GNU\s0 General Public License is a free, copyleft license for
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software and other kinds of works.
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.PP
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The licenses for most software and other practical works are designed
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to take away your freedom to share and change the works. By contrast,
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the \s-1GNU\s0 General Public License is intended to guarantee your freedom
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to share and change all versions of a program\*(--to make sure it remains
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free software for all its users. We, the Free Software Foundation,
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use the \s-1GNU\s0 General Public License for most of our software; it
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applies also to any other work released this way by its authors. You
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can apply it to your programs, too.
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.PP
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When we speak of free software, we are referring to freedom, not
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price. Our General Public Licenses are designed to make sure that you
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have the freedom to distribute copies of free software (and charge for
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them if you wish), that you receive source code or can get it if you
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want it, that you can change the software or use pieces of it in new
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free programs, and that you know you can do these things.
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.PP
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To protect your rights, we need to prevent others from denying you
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these rights or asking you to surrender the rights. Therefore, you
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have certain responsibilities if you distribute copies of the
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software, or if you modify it: responsibilities to respect the freedom
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of others.
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.PP
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For example, if you distribute copies of such a program, whether
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gratis or for a fee, you must pass on to the recipients the same
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freedoms that you received. You must make sure that they, too,
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receive or can get the source code. And you must show them these
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terms so they know their rights.
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.PP
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Developers that use the \s-1GNU GPL\s0 protect your rights with two steps:
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(1) assert copyright on the software, and (2) offer you this License
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giving you legal permission to copy, distribute and/or modify it.
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.PP
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For the developers' and authors' protection, the \s-1GPL\s0 clearly explains
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that there is no warranty for this free software. For both users' and
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authors' sake, the \s-1GPL\s0 requires that modified versions be marked as
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changed, so that their problems will not be attributed erroneously to
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authors of previous versions.
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.PP
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Some devices are designed to deny users access to install or run
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modified versions of the software inside them, although the
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manufacturer can do so. This is fundamentally incompatible with the
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aim of protecting users' freedom to change the software. The
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systematic pattern of such abuse occurs in the area of products for
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individuals to use, which is precisely where it is most unacceptable.
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Therefore, we have designed this version of the \s-1GPL\s0 to prohibit the
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practice for those products. If such problems arise substantially in
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other domains, we stand ready to extend this provision to those
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domains in future versions of the \s-1GPL,\s0 as needed to protect the
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freedom of users.
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.PP
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Finally, every program is threatened constantly by software patents.
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States should not allow patents to restrict development and use of
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software on general-purpose computers, but in those that do, we wish
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to avoid the special danger that patents applied to a free program
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could make it effectively proprietary. To prevent this, the \s-1GPL\s0
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assures that patents cannot be used to render the program non-free.
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.PP
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The precise terms and conditions for copying, distribution and
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modification follow.
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.SS "\s-1TERMS AND CONDITIONS\s0"
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.IX Subsection "TERMS AND CONDITIONS"
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.IP "0. Definitions." 4
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.IX Item "0. Definitions."
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\&\*(L"This License\*(R" refers to version 3 of the \s-1GNU\s0 General Public License.
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.Sp
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\&\*(L"Copyright\*(R" also means copyright-like laws that apply to other kinds
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of works, such as semiconductor masks.
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.Sp
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\&\*(L"The Program\*(R" refers to any copyrightable work licensed under this
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License. Each licensee is addressed as \*(L"you\*(R". \*(L"Licensees\*(R" and
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\&\*(L"recipients\*(R" may be individuals or organizations.
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.Sp
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To \*(L"modify\*(R" a work means to copy from or adapt all or part of the work
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in a fashion requiring copyright permission, other than the making of
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an exact copy. The resulting work is called a \*(L"modified version\*(R" of
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the earlier work or a work \*(L"based on\*(R" the earlier work.
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.Sp
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A \*(L"covered work\*(R" means either the unmodified Program or a work based
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on the Program.
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.Sp
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To \*(L"propagate\*(R" a work means to do anything with it that, without
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permission, would make you directly or secondarily liable for
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infringement under applicable copyright law, except executing it on a
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computer or modifying a private copy. Propagation includes copying,
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distribution (with or without modification), making available to the
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public, and in some countries other activities as well.
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.Sp
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To \*(L"convey\*(R" a work means any kind of propagation that enables other
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parties to make or receive copies. Mere interaction with a user
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through a computer network, with no transfer of a copy, is not
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conveying.
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.Sp
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An interactive user interface displays \*(L"Appropriate Legal Notices\*(R" to
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the extent that it includes a convenient and prominently visible
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feature that (1) displays an appropriate copyright notice, and (2)
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tells the user that there is no warranty for the work (except to the
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extent that warranties are provided), that licensees may convey the
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work under this License, and how to view a copy of this License. If
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the interface presents a list of user commands or options, such as a
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menu, a prominent item in the list meets this criterion.
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.IP "1. Source Code." 4
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.IX Item "1. Source Code."
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The \*(L"source code\*(R" for a work means the preferred form of the work for
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making modifications to it. \*(L"Object code\*(R" means any non-source form
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of a work.
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.Sp
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A \*(L"Standard Interface\*(R" means an interface that either is an official
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standard defined by a recognized standards body, or, in the case of
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interfaces specified for a particular programming language, one that
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is widely used among developers working in that language.
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.Sp
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The \*(L"System Libraries\*(R" of an executable work include anything, other
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than the work as a whole, that (a) is included in the normal form of
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packaging a Major Component, but which is not part of that Major
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Component, and (b) serves only to enable use of the work with that
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Major Component, or to implement a Standard Interface for which an
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implementation is available to the public in source code form. A
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\&\*(L"Major Component\*(R", in this context, means a major essential component
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(kernel, window system, and so on) of the specific operating system
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(if any) on which the executable work runs, or a compiler used to
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produce the work, or an object code interpreter used to run it.
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.Sp
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The \*(L"Corresponding Source\*(R" for a work in object code form means all
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the source code needed to generate, install, and (for an executable
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work) run the object code and to modify the work, including scripts to
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control those activities. However, it does not include the work's
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System Libraries, or general-purpose tools or generally available free
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programs which are used unmodified in performing those activities but
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which are not part of the work. For example, Corresponding Source
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includes interface definition files associated with source files for
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the work, and the source code for shared libraries and dynamically
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linked subprograms that the work is specifically designed to require,
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such as by intimate data communication or control flow between those
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subprograms and other parts of the work.
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.Sp
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The Corresponding Source need not include anything that users can
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regenerate automatically from other parts of the Corresponding Source.
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.Sp
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The Corresponding Source for a work in source code form is that same
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work.
|
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.IP "2. Basic Permissions." 4
|
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.IX Item "2. Basic Permissions."
|
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All rights granted under this License are granted for the term of
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copyright on the Program, and are irrevocable provided the stated
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conditions are met. This License explicitly affirms your unlimited
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permission to run the unmodified Program. The output from running a
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covered work is covered by this License only if the output, given its
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content, constitutes a covered work. This License acknowledges your
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rights of fair use or other equivalent, as provided by copyright law.
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.Sp
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You may make, run and propagate covered works that you do not convey,
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without conditions so long as your license otherwise remains in force.
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You may convey covered works to others for the sole purpose of having
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them make modifications exclusively for you, or provide you with
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facilities for running those works, provided that you comply with the
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terms of this License in conveying all material for which you do not
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control copyright. Those thus making or running the covered works for
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you must do so exclusively on your behalf, under your direction and
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control, on terms that prohibit them from making any copies of your
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copyrighted material outside their relationship with you.
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.Sp
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Conveying under any other circumstances is permitted solely under the
|
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conditions stated below. Sublicensing is not allowed; section 10
|
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makes it unnecessary.
|
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.IP "3. Protecting Users' Legal Rights From Anti-Circumvention Law." 4
|
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.IX Item "3. Protecting Users' Legal Rights From Anti-Circumvention Law."
|
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No covered work shall be deemed part of an effective technological
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measure under any applicable law fulfilling obligations under article
|
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11 of the \s-1WIPO\s0 copyright treaty adopted on 20 December 1996, or
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similar laws prohibiting or restricting circumvention of such
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measures.
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.Sp
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When you convey a covered work, you waive any legal power to forbid
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circumvention of technological measures to the extent such
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circumvention is effected by exercising rights under this License with
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respect to the covered work, and you disclaim any intention to limit
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operation or modification of the work as a means of enforcing, against
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the work's users, your or third parties' legal rights to forbid
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circumvention of technological measures.
|
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.IP "4. Conveying Verbatim Copies." 4
|
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.IX Item "4. Conveying Verbatim Copies."
|
|
You may convey verbatim copies of the Program's source code as you
|
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receive it, in any medium, provided that you conspicuously and
|
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appropriately publish on each copy an appropriate copyright notice;
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keep intact all notices stating that this License and any
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non-permissive terms added in accord with section 7 apply to the code;
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keep intact all notices of the absence of any warranty; and give all
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recipients a copy of this License along with the Program.
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.Sp
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You may charge any price or no price for each copy that you convey,
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and you may offer support or warranty protection for a fee.
|
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.IP "5. Conveying Modified Source Versions." 4
|
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.IX Item "5. Conveying Modified Source Versions."
|
|
You may convey a work based on the Program, or the modifications to
|
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produce it from the Program, in the form of source code under the
|
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terms of section 4, provided that you also meet all of these
|
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conditions:
|
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.RS 4
|
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.IP "a." 4
|
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.IX Item "a."
|
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The work must carry prominent notices stating that you modified it,
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and giving a relevant date.
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.IP "b." 4
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.IX Item "b."
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The work must carry prominent notices stating that it is released
|
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under this License and any conditions added under section 7. This
|
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requirement modifies the requirement in section 4 to \*(L"keep intact all
|
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notices\*(R".
|
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.IP "c." 4
|
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.IX Item "c."
|
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You must license the entire work, as a whole, under this License to
|
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anyone who comes into possession of a copy. This License will
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therefore apply, along with any applicable section 7 additional terms,
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to the whole of the work, and all its parts, regardless of how they
|
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are packaged. This License gives no permission to license the work in
|
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any other way, but it does not invalidate such permission if you have
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separately received it.
|
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.IP "d." 4
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.IX Item "d."
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If the work has interactive user interfaces, each must display
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Appropriate Legal Notices; however, if the Program has interactive
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interfaces that do not display Appropriate Legal Notices, your work
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need not make them do so.
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.RE
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.RS 4
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.Sp
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A compilation of a covered work with other separate and independent
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works, which are not by their nature extensions of the covered work,
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and which are not combined with it such as to form a larger program,
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in or on a volume of a storage or distribution medium, is called an
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\&\*(L"aggregate\*(R" if the compilation and its resulting copyright are not
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used to limit the access or legal rights of the compilation's users
|
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beyond what the individual works permit. Inclusion of a covered work
|
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in an aggregate does not cause this License to apply to the other
|
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parts of the aggregate.
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.RE
|
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.IP "6. Conveying Non-Source Forms." 4
|
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.IX Item "6. Conveying Non-Source Forms."
|
|
You may convey a covered work in object code form under the terms of
|
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sections 4 and 5, provided that you also convey the machine-readable
|
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Corresponding Source under the terms of this License, in one of these
|
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ways:
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.RS 4
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.IP "a." 4
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.IX Item "a."
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Convey the object code in, or embodied in, a physical product
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(including a physical distribution medium), accompanied by the
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Corresponding Source fixed on a durable physical medium customarily
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used for software interchange.
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.IP "b." 4
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.IX Item "b."
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Convey the object code in, or embodied in, a physical product
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(including a physical distribution medium), accompanied by a written
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offer, valid for at least three years and valid for as long as you
|
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offer spare parts or customer support for that product model, to give
|
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anyone who possesses the object code either (1) a copy of the
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Corresponding Source for all the software in the product that is
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|
covered by this License, on a durable physical medium customarily used
|
|
for software interchange, for a price no more than your reasonable
|
|
cost of physically performing this conveying of source, or (2) access
|
|
to copy the Corresponding Source from a network server at no charge.
|
|
.IP "c." 4
|
|
.IX Item "c."
|
|
Convey individual copies of the object code with a copy of the written
|
|
offer to provide the Corresponding Source. This alternative is
|
|
allowed only occasionally and noncommercially, and only if you
|
|
received the object code with such an offer, in accord with subsection
|
|
6b.
|
|
.IP "d." 4
|
|
.IX Item "d."
|
|
Convey the object code by offering access from a designated place
|
|
(gratis or for a charge), and offer equivalent access to the
|
|
Corresponding Source in the same way through the same place at no
|
|
further charge. You need not require recipients to copy the
|
|
Corresponding Source along with the object code. If the place to copy
|
|
the object code is a network server, the Corresponding Source may be
|
|
on a different server (operated by you or a third party) that supports
|
|
equivalent copying facilities, provided you maintain clear directions
|
|
next to the object code saying where to find the Corresponding Source.
|
|
Regardless of what server hosts the Corresponding Source, you remain
|
|
obligated to ensure that it is available for as long as needed to
|
|
satisfy these requirements.
|
|
.IP "e." 4
|
|
.IX Item "e."
|
|
Convey the object code using peer-to-peer transmission, provided you
|
|
inform other peers where the object code and Corresponding Source of
|
|
the work are being offered to the general public at no charge under
|
|
subsection 6d.
|
|
.RE
|
|
.RS 4
|
|
.Sp
|
|
A separable portion of the object code, whose source code is excluded
|
|
from the Corresponding Source as a System Library, need not be
|
|
included in conveying the object code work.
|
|
.Sp
|
|
A \*(L"User Product\*(R" is either (1) a \*(L"consumer product\*(R", which means any
|
|
tangible personal property which is normally used for personal,
|
|
family, or household purposes, or (2) anything designed or sold for
|
|
incorporation into a dwelling. In determining whether a product is a
|
|
consumer product, doubtful cases shall be resolved in favor of
|
|
coverage. For a particular product received by a particular user,
|
|
\&\*(L"normally used\*(R" refers to a typical or common use of that class of
|
|
product, regardless of the status of the particular user or of the way
|
|
in which the particular user actually uses, or expects or is expected
|
|
to use, the product. A product is a consumer product regardless of
|
|
whether the product has substantial commercial, industrial or
|
|
non-consumer uses, unless such uses represent the only significant
|
|
mode of use of the product.
|
|
.Sp
|
|
\&\*(L"Installation Information\*(R" for a User Product means any methods,
|
|
procedures, authorization keys, or other information required to
|
|
install and execute modified versions of a covered work in that User
|
|
Product from a modified version of its Corresponding Source. The
|
|
information must suffice to ensure that the continued functioning of
|
|
the modified object code is in no case prevented or interfered with
|
|
solely because modification has been made.
|
|
.Sp
|
|
If you convey an object code work under this section in, or with, or
|
|
specifically for use in, a User Product, and the conveying occurs as
|
|
part of a transaction in which the right of possession and use of the
|
|
User Product is transferred to the recipient in perpetuity or for a
|
|
fixed term (regardless of how the transaction is characterized), the
|
|
Corresponding Source conveyed under this section must be accompanied
|
|
by the Installation Information. But this requirement does not apply
|
|
if neither you nor any third party retains the ability to install
|
|
modified object code on the User Product (for example, the work has
|
|
been installed in \s-1ROM\s0).
|
|
.Sp
|
|
The requirement to provide Installation Information does not include a
|
|
requirement to continue to provide support service, warranty, or
|
|
updates for a work that has been modified or installed by the
|
|
recipient, or for the User Product in which it has been modified or
|
|
installed. Access to a network may be denied when the modification
|
|
itself materially and adversely affects the operation of the network
|
|
or violates the rules and protocols for communication across the
|
|
network.
|
|
.Sp
|
|
Corresponding Source conveyed, and Installation Information provided,
|
|
in accord with this section must be in a format that is publicly
|
|
documented (and with an implementation available to the public in
|
|
source code form), and must require no special password or key for
|
|
unpacking, reading or copying.
|
|
.RE
|
|
.IP "7. Additional Terms." 4
|
|
.IX Item "7. Additional Terms."
|
|
\&\*(L"Additional permissions\*(R" are terms that supplement the terms of this
|
|
License by making exceptions from one or more of its conditions.
|
|
Additional permissions that are applicable to the entire Program shall
|
|
be treated as though they were included in this License, to the extent
|
|
that they are valid under applicable law. If additional permissions
|
|
apply only to part of the Program, that part may be used separately
|
|
under those permissions, but the entire Program remains governed by
|
|
this License without regard to the additional permissions.
|
|
.Sp
|
|
When you convey a copy of a covered work, you may at your option
|
|
remove any additional permissions from that copy, or from any part of
|
|
it. (Additional permissions may be written to require their own
|
|
removal in certain cases when you modify the work.) You may place
|
|
additional permissions on material, added by you to a covered work,
|
|
for which you have or can give appropriate copyright permission.
|
|
.Sp
|
|
Notwithstanding any other provision of this License, for material you
|
|
add to a covered work, you may (if authorized by the copyright holders
|
|
of that material) supplement the terms of this License with terms:
|
|
.RS 4
|
|
.IP "a." 4
|
|
.IX Item "a."
|
|
Disclaiming warranty or limiting liability differently from the terms
|
|
of sections 15 and 16 of this License; or
|
|
.IP "b." 4
|
|
.IX Item "b."
|
|
Requiring preservation of specified reasonable legal notices or author
|
|
attributions in that material or in the Appropriate Legal Notices
|
|
displayed by works containing it; or
|
|
.IP "c." 4
|
|
.IX Item "c."
|
|
Prohibiting misrepresentation of the origin of that material, or
|
|
requiring that modified versions of such material be marked in
|
|
reasonable ways as different from the original version; or
|
|
.IP "d." 4
|
|
.IX Item "d."
|
|
Limiting the use for publicity purposes of names of licensors or
|
|
authors of the material; or
|
|
.IP "e." 4
|
|
.IX Item "e."
|
|
Declining to grant rights under trademark law for use of some trade
|
|
names, trademarks, or service marks; or
|
|
.IP "f." 4
|
|
.IX Item "f."
|
|
Requiring indemnification of licensors and authors of that material by
|
|
anyone who conveys the material (or modified versions of it) with
|
|
contractual assumptions of liability to the recipient, for any
|
|
liability that these contractual assumptions directly impose on those
|
|
licensors and authors.
|
|
.RE
|
|
.RS 4
|
|
.Sp
|
|
All other non-permissive additional terms are considered \*(L"further
|
|
restrictions\*(R" within the meaning of section 10. If the Program as you
|
|
received it, or any part of it, contains a notice stating that it is
|
|
governed by this License along with a term that is a further
|
|
restriction, you may remove that term. If a license document contains
|
|
a further restriction but permits relicensing or conveying under this
|
|
License, you may add to a covered work material governed by the terms
|
|
of that license document, provided that the further restriction does
|
|
not survive such relicensing or conveying.
|
|
.Sp
|
|
If you add terms to a covered work in accord with this section, you
|
|
must place, in the relevant source files, a statement of the
|
|
additional terms that apply to those files, or a notice indicating
|
|
where to find the applicable terms.
|
|
.Sp
|
|
Additional terms, permissive or non-permissive, may be stated in the
|
|
form of a separately written license, or stated as exceptions; the
|
|
above requirements apply either way.
|
|
.RE
|
|
.IP "8. Termination." 4
|
|
.IX Item "8. Termination."
|
|
You may not propagate or modify a covered work except as expressly
|
|
provided under this License. Any attempt otherwise to propagate or
|
|
modify it is void, and will automatically terminate your rights under
|
|
this License (including any patent licenses granted under the third
|
|
paragraph of section 11).
|
|
.Sp
|
|
However, if you cease all violation of this License, then your license
|
|
from a particular copyright holder is reinstated (a) provisionally,
|
|
unless and until the copyright holder explicitly and finally
|
|
terminates your license, and (b) permanently, if the copyright holder
|
|
fails to notify you of the violation by some reasonable means prior to
|
|
60 days after the cessation.
|
|
.Sp
|
|
Moreover, your license from a particular copyright holder is
|
|
reinstated permanently if the copyright holder notifies you of the
|
|
violation by some reasonable means, this is the first time you have
|
|
received notice of violation of this License (for any work) from that
|
|
copyright holder, and you cure the violation prior to 30 days after
|
|
your receipt of the notice.
|
|
.Sp
|
|
Termination of your rights under this section does not terminate the
|
|
licenses of parties who have received copies or rights from you under
|
|
this License. If your rights have been terminated and not permanently
|
|
reinstated, you do not qualify to receive new licenses for the same
|
|
material under section 10.
|
|
.IP "9. Acceptance Not Required for Having Copies." 4
|
|
.IX Item "9. Acceptance Not Required for Having Copies."
|
|
You are not required to accept this License in order to receive or run
|
|
a copy of the Program. Ancillary propagation of a covered work
|
|
occurring solely as a consequence of using peer-to-peer transmission
|
|
to receive a copy likewise does not require acceptance. However,
|
|
nothing other than this License grants you permission to propagate or
|
|
modify any covered work. These actions infringe copyright if you do
|
|
not accept this License. Therefore, by modifying or propagating a
|
|
covered work, you indicate your acceptance of this License to do so.
|
|
.IP "10. Automatic Licensing of Downstream Recipients." 4
|
|
.IX Item "10. Automatic Licensing of Downstream Recipients."
|
|
Each time you convey a covered work, the recipient automatically
|
|
receives a license from the original licensors, to run, modify and
|
|
propagate that work, subject to this License. You are not responsible
|
|
for enforcing compliance by third parties with this License.
|
|
.Sp
|
|
An \*(L"entity transaction\*(R" is a transaction transferring control of an
|
|
organization, or substantially all assets of one, or subdividing an
|
|
organization, or merging organizations. If propagation of a covered
|
|
work results from an entity transaction, each party to that
|
|
transaction who receives a copy of the work also receives whatever
|
|
licenses to the work the party's predecessor in interest had or could
|
|
give under the previous paragraph, plus a right to possession of the
|
|
Corresponding Source of the work from the predecessor in interest, if
|
|
the predecessor has it or can get it with reasonable efforts.
|
|
.Sp
|
|
You may not impose any further restrictions on the exercise of the
|
|
rights granted or affirmed under this License. For example, you may
|
|
not impose a license fee, royalty, or other charge for exercise of
|
|
rights granted under this License, and you may not initiate litigation
|
|
(including a cross-claim or counterclaim in a lawsuit) alleging that
|
|
any patent claim is infringed by making, using, selling, offering for
|
|
sale, or importing the Program or any portion of it.
|
|
.IP "11. Patents." 4
|
|
.IX Item "11. Patents."
|
|
A \*(L"contributor\*(R" is a copyright holder who authorizes use under this
|
|
License of the Program or a work on which the Program is based. The
|
|
work thus licensed is called the contributor's \*(L"contributor version\*(R".
|
|
.Sp
|
|
A contributor's \*(L"essential patent claims\*(R" are all patent claims owned
|
|
or controlled by the contributor, whether already acquired or
|
|
hereafter acquired, that would be infringed by some manner, permitted
|
|
by this License, of making, using, or selling its contributor version,
|
|
but do not include claims that would be infringed only as a
|
|
consequence of further modification of the contributor version. For
|
|
purposes of this definition, \*(L"control\*(R" includes the right to grant
|
|
patent sublicenses in a manner consistent with the requirements of
|
|
this License.
|
|
.Sp
|
|
Each contributor grants you a non-exclusive, worldwide, royalty-free
|
|
patent license under the contributor's essential patent claims, to
|
|
make, use, sell, offer for sale, import and otherwise run, modify and
|
|
propagate the contents of its contributor version.
|
|
.Sp
|
|
In the following three paragraphs, a \*(L"patent license\*(R" is any express
|
|
agreement or commitment, however denominated, not to enforce a patent
|
|
(such as an express permission to practice a patent or covenant not to
|
|
sue for patent infringement). To \*(L"grant\*(R" such a patent license to a
|
|
party means to make such an agreement or commitment not to enforce a
|
|
patent against the party.
|
|
.Sp
|
|
If you convey a covered work, knowingly relying on a patent license,
|
|
and the Corresponding Source of the work is not available for anyone
|
|
to copy, free of charge and under the terms of this License, through a
|
|
publicly available network server or other readily accessible means,
|
|
then you must either (1) cause the Corresponding Source to be so
|
|
available, or (2) arrange to deprive yourself of the benefit of the
|
|
patent license for this particular work, or (3) arrange, in a manner
|
|
consistent with the requirements of this License, to extend the patent
|
|
license to downstream recipients. \*(L"Knowingly relying\*(R" means you have
|
|
actual knowledge that, but for the patent license, your conveying the
|
|
covered work in a country, or your recipient's use of the covered work
|
|
in a country, would infringe one or more identifiable patents in that
|
|
country that you have reason to believe are valid.
|
|
.Sp
|
|
If, pursuant to or in connection with a single transaction or
|
|
arrangement, you convey, or propagate by procuring conveyance of, a
|
|
covered work, and grant a patent license to some of the parties
|
|
receiving the covered work authorizing them to use, propagate, modify
|
|
or convey a specific copy of the covered work, then the patent license
|
|
you grant is automatically extended to all recipients of the covered
|
|
work and works based on it.
|
|
.Sp
|
|
A patent license is \*(L"discriminatory\*(R" if it does not include within the
|
|
scope of its coverage, prohibits the exercise of, or is conditioned on
|
|
the non-exercise of one or more of the rights that are specifically
|
|
granted under this License. You may not convey a covered work if you
|
|
are a party to an arrangement with a third party that is in the
|
|
business of distributing software, under which you make payment to the
|
|
third party based on the extent of your activity of conveying the
|
|
work, and under which the third party grants, to any of the parties
|
|
who would receive the covered work from you, a discriminatory patent
|
|
license (a) in connection with copies of the covered work conveyed by
|
|
you (or copies made from those copies), or (b) primarily for and in
|
|
connection with specific products or compilations that contain the
|
|
covered work, unless you entered into that arrangement, or that patent
|
|
license was granted, prior to 28 March 2007.
|
|
.Sp
|
|
Nothing in this License shall be construed as excluding or limiting
|
|
any implied license or other defenses to infringement that may
|
|
otherwise be available to you under applicable patent law.
|
|
.IP "12. No Surrender of Others' Freedom." 4
|
|
.IX Item "12. No Surrender of Others' Freedom."
|
|
If conditions are imposed on you (whether by court order, agreement or
|
|
otherwise) that contradict the conditions of this License, they do not
|
|
excuse you from the conditions of this License. If you cannot convey
|
|
a covered work so as to satisfy simultaneously your obligations under
|
|
this License and any other pertinent obligations, then as a
|
|
consequence you may not convey it at all. For example, if you agree
|
|
to terms that obligate you to collect a royalty for further conveying
|
|
from those to whom you convey the Program, the only way you could
|
|
satisfy both those terms and this License would be to refrain entirely
|
|
from conveying the Program.
|
|
.IP "13. Use with the \s-1GNU\s0 Affero General Public License." 4
|
|
.IX Item "13. Use with the GNU Affero General Public License."
|
|
Notwithstanding any other provision of this License, you have
|
|
permission to link or combine any covered work with a work licensed
|
|
under version 3 of the \s-1GNU\s0 Affero General Public License into a single
|
|
combined work, and to convey the resulting work. The terms of this
|
|
License will continue to apply to the part which is the covered work,
|
|
but the special requirements of the \s-1GNU\s0 Affero General Public License,
|
|
section 13, concerning interaction through a network will apply to the
|
|
combination as such.
|
|
.IP "14. Revised Versions of this License." 4
|
|
.IX Item "14. Revised Versions of this License."
|
|
The Free Software Foundation may publish revised and/or new versions
|
|
of the \s-1GNU\s0 General Public License from time to time. Such new
|
|
versions will be similar in spirit to the present version, but may
|
|
differ in detail to address new problems or concerns.
|
|
.Sp
|
|
Each version is given a distinguishing version number. If the Program
|
|
specifies that a certain numbered version of the \s-1GNU\s0 General Public
|
|
License \*(L"or any later version\*(R" applies to it, you have the option of
|
|
following the terms and conditions either of that numbered version or
|
|
of any later version published by the Free Software Foundation. If
|
|
the Program does not specify a version number of the \s-1GNU\s0 General
|
|
Public License, you may choose any version ever published by the Free
|
|
Software Foundation.
|
|
.Sp
|
|
If the Program specifies that a proxy can decide which future versions
|
|
of the \s-1GNU\s0 General Public License can be used, that proxy's public
|
|
statement of acceptance of a version permanently authorizes you to
|
|
choose that version for the Program.
|
|
.Sp
|
|
Later license versions may give you additional or different
|
|
permissions. However, no additional obligations are imposed on any
|
|
author or copyright holder as a result of your choosing to follow a
|
|
later version.
|
|
.IP "15. Disclaimer of Warranty." 4
|
|
.IX Item "15. Disclaimer of Warranty."
|
|
\&\s-1THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
|
|
APPLICABLE LAW.\s0 \s-1EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
|
|
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM \*(L"AS IS\*(R" WITHOUT
|
|
WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE.\s0 \s-1THE ENTIRE RISK AS TO THE QUALITY AND
|
|
PERFORMANCE OF THE PROGRAM IS WITH YOU.\s0 \s-1SHOULD THE PROGRAM PROVE
|
|
DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
|
|
CORRECTION.\s0
|
|
.IP "16. Limitation of Liability." 4
|
|
.IX Item "16. Limitation of Liability."
|
|
\&\s-1IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
|
|
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR
|
|
CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
|
|
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
|
|
ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM\s0 (\s-1INCLUDING BUT
|
|
NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
|
|
LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM
|
|
TO OPERATE WITH ANY OTHER PROGRAMS\s0), \s-1EVEN IF SUCH HOLDER OR OTHER
|
|
PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.\s0
|
|
.IP "17. Interpretation of Sections 15 and 16." 4
|
|
.IX Item "17. Interpretation of Sections 15 and 16."
|
|
If the disclaimer of warranty and limitation of liability provided
|
|
above cannot be given local legal effect according to their terms,
|
|
reviewing courts shall apply local law that most closely approximates
|
|
an absolute waiver of all civil liability in connection with the
|
|
Program, unless a warranty or assumption of liability accompanies a
|
|
copy of the Program in return for a fee.
|
|
.SS "\s-1END OF TERMS AND CONDITIONS\s0"
|
|
.IX Subsection "END OF TERMS AND CONDITIONS"
|
|
.SS "How to Apply These Terms to Your New Programs"
|
|
.IX Subsection "How to Apply These Terms to Your New Programs"
|
|
If you develop a new program, and you want it to be of the greatest
|
|
possible use to the public, the best way to achieve this is to make it
|
|
free software which everyone can redistribute and change under these
|
|
terms.
|
|
.PP
|
|
To do so, attach the following notices to the program. It is safest
|
|
to attach them to the start of each source file to most effectively
|
|
state the exclusion of warranty; and each file should have at least
|
|
the \*(L"copyright\*(R" line and a pointer to where the full notice is found.
|
|
.PP
|
|
.Vb 2
|
|
\& <one line to give the program\*(Aqs name and a brief idea of what it does.>
|
|
\& Copyright (C) <year> <name of author>
|
|
\&
|
|
\& This program is free software: you can redistribute it and/or modify
|
|
\& it under the terms of the GNU General Public License as published by
|
|
\& the Free Software Foundation, either version 3 of the License, or (at
|
|
\& your option) any later version.
|
|
\&
|
|
\& This program is distributed in the hope that it will be useful, but
|
|
\& WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
\& MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
\& General Public License for more details.
|
|
\&
|
|
\& You should have received a copy of the GNU General Public License
|
|
\& along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
.Ve
|
|
.PP
|
|
Also add information on how to contact you by electronic and paper mail.
|
|
.PP
|
|
If the program does terminal interaction, make it output a short
|
|
notice like this when it starts in an interactive mode:
|
|
.PP
|
|
.Vb 4
|
|
\& <program> Copyright (C) <year> <name of author>
|
|
\& This program comes with ABSOLUTELY NO WARRANTY; for details type "show w".
|
|
\& This is free software, and you are welcome to redistribute it
|
|
\& under certain conditions; type "show c" for details.
|
|
.Ve
|
|
.PP
|
|
The hypothetical commands \fBshow w\fR and \fBshow c\fR should show
|
|
the appropriate parts of the General Public License. Of course, your
|
|
program's commands might be different; for a \s-1GUI\s0 interface, you would
|
|
use an \*(L"about box\*(R".
|
|
.PP
|
|
You should also get your employer (if you work as a programmer) or school,
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|
if any, to sign a \*(L"copyright disclaimer\*(R" for the program, if necessary.
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|
For more information on this, and how to apply and follow the \s-1GNU GPL,\s0 see
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<\fBhttps://www.gnu.org/licenses/\fR>.
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|
.PP
|
|
The \s-1GNU\s0 General Public License does not permit incorporating your
|
|
program into proprietary programs. If your program is a subroutine
|
|
library, you may consider it more useful to permit linking proprietary
|
|
applications with the library. If this is what you want to do, use
|
|
the \s-1GNU\s0 Lesser General Public License instead of this License. But
|
|
first, please read <\fBhttps://www.gnu.org/licenses/why\-not\-lgpl.html\fR>.
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|
.SH "SEE ALSO"
|
|
.IX Header "SEE ALSO"
|
|
\&\fBgfdl\fR\|(7), \fBfsf\-funding\fR\|(7).
|
|
.SH "COPYRIGHT"
|
|
.IX Header "COPYRIGHT"
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|
Copyright (c) 2007 Free Software Foundation, Inc.
|
|
.PP
|
|
Everyone is permitted to copy and distribute verbatim copies of this
|
|
license document, but changing it is not allowed.
|