Difference between revisions of "GNU General Public License"

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#REDIRECT [[GNU General Public License v3.0]]
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                    GNU GENERAL PUBLIC LICENSE
 
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                      Version 3, 29 June 2007
 
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Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
 
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Everyone is permitted to copy and distribute verbatim copies
 
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of this license document, but changing it is not allowed.
 
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                            Preamble
 
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  The GNU General Public License is a free, copyleft license for
 
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software and other kinds of works.
 
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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 GNU General Public License is intended to guarantee your freedom to
 
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share and change all versions of a program--to make sure it remains free
 
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software for all its users.  We, the Free Software Foundation, use the
 
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GNU General Public License for most of our software; it applies also to
 
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any other work released this way by its authors. You can apply it to
 
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your programs, too.
 
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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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  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 have
 
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certain responsibilities if you distribute copies of the software, or if
 
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you modify it: responsibilities to respect the freedom of others.
 
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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, receive
 
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or can get the source code.  And you must show them these terms so they
 
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know their rights.
 
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  Developers that use the GNU GPL 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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  For the developers' and authors' protection, the GPL 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 GPL 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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  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 manufacturer
 
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can do so.  This is fundamentally incompatible with the aim of
 
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protecting users' freedom to change the software.  The systematic
 
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pattern of such abuse occurs in the area of products for individuals to
 
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use, which is precisely where it is most unacceptable.  Therefore, we
 
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have designed this version of the GPL to prohibit the practice for those
 
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products.  If such problems arise substantially in other domains, we
 
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stand ready to extend this provision to those domains in future versions
 
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of the GPL, as needed to protect the freedom of users.
 
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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 to
 
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avoid the special danger that patents applied to a free program could
 
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make it effectively proprietary.  To prevent this, the GPL assures that
 
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patents cannot be used to render the program non-free.
 
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  The precise terms and conditions for copying, distribution and
 
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modification follow.
 
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                      TERMS AND CONDITIONS
 
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  0. Definitions.
 
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  "This License" refers to version 3 of the GNU General Public License.
 
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  "Copyright" also means copyright-like laws that apply to other kinds of
 
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works, such as semiconductor masks.
 
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  "The Program" refers to any copyrightable work licensed under this
 
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License.  Each licensee is addressed as "you".  "Licensees" and
 
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"recipients" may be individuals or organizations.
 
−
 
 
−
 
 
−
 
 
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  To "modify" 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 an
 
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exact copy.  The resulting work is called a "modified version" of the
 
−
 
 
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earlier work or a work "based on" the earlier work.
 
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  A "covered work" means either the unmodified Program or a work based
 
−
 
 
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on the Program.
 
−
 
 
−
 
 
−
 
 
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  To "propagate" 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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−
 
 
−
 
 
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  To "convey" 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 through
 
−
 
 
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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
 
−
 
 
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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
 
−
 
 
−
menu, a prominent item in the list meets this criterion.
 
−
 
 
−
 
 
−
 
 
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  1. Source Code.
 
−
 
 
−
 
 
−
 
 
−
  The "source code" for a work means the preferred form of the work
 
−
 
 
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for making modifications to it.  "Object code" means any non-source
 
−
 
 
−
form of a work.
 
−
 
 
−
 
 
−
 
 
−
  A "Standard Interface" 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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  The "System Libraries" 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
 
−
 
 
−
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
 
−
 
 
−
implementation is available to the public in source code form.  A
 
−
 
 
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"Major Component", in this context, means a major essential component
 
−
 
 
−
(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.
 
−
 
 
−
 
 
−
 
 
−
  The "Corresponding Source" 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
 
−
 
 
−
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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  The Corresponding Source need not include anything that users
 
−
 
 
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can regenerate automatically from other parts of the Corresponding
 
−
 
 
−
Source.
 
−
 
 
−
 
 
−
 
 
−
  The Corresponding Source for a work in source code form is that
 
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same work.
 
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  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
 
−
 
 
−
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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  You may make, run and propagate covered works that you do not
 
−
 
 
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convey, without conditions so long as your license otherwise remains
 
−
 
 
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in force.  You may convey covered works to others for the sole purpose
 
−
 
 
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of having them make modifications exclusively for you, or provide you
 
−
 
 
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with facilities for running those works, provided that you comply with
 
−
 
 
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the terms of this License in conveying all material for which you do
 
−
 
 
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not control copyright.  Those thus making or running the covered works
 
−
 
 
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for you must do so exclusively on your behalf, under your direction
 
−
 
 
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and control, on terms that prohibit them from making any copies of
 
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your copyrighted material outside their relationship with you.
 
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  Conveying under any other circumstances is permitted solely under
 
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the conditions stated below.  Sublicensing is not allowed; section 10
 
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makes it unnecessary.
 
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  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 WIPO 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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  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 circumvention
 
−
 
 
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is effected by exercising rights under this License with respect to
 
−
 
 
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the covered work, and you disclaim any intention to limit operation or
 
−
 
 
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modification of the work as a means of enforcing, against the work's
 
−
 
 
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users, your or third parties' legal rights to forbid circumvention of
 
−
 
 
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technological measures.
 
−
 
 
−
 
 
−
 
 
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  4. Conveying Verbatim Copies.
 
−
 
 
−
 
 
−
 
 
−
  You may convey verbatim copies of the Program's source code as you
 
−
 
 
−
receive it, in any medium, provided that you conspicuously and
 
−
 
 
−
appropriately publish on each copy an appropriate copyright notice;
 
−
 
 
−
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.
 
−
 
 
−
 
 
−
 
 
−
  You may charge any price or no price for each copy that you convey,
 
−
 
 
−
and you may offer support or warranty protection for a fee.
 
−
 
 
−
 
 
−
 
 
−
  5. Conveying Modified Source Versions.
 
−
 
 
−
 
 
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  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
 
−
 
 
−
terms of section 4, provided that you also meet all of these conditions:
 
−
 
 
−
 
 
−
 
 
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    a) The work must carry prominent notices stating that you modified
 
−
 
 
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    it, and giving a relevant date.
 
−
 
 
−
 
 
−
 
 
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    b) The work must carry prominent notices stating that it is
 
−
 
 
−
    released under this License and any conditions added under section
 
−
 
 
−
    7.  This requirement modifies the requirement in section 4 to
 
−
 
 
−
    "keep intact all notices".
 
−
 
 
−
 
 
−
 
 
−
    c) You must license the entire work, as a whole, under this
 
−
 
 
−
    License to anyone who comes into possession of a copy.  This
 
−
 
 
−
    License will therefore apply, along with any applicable section 7
 
−
 
 
−
    additional terms, to the whole of the work, and all its parts,
 
−
 
 
−
    regardless of how they are packaged.  This License gives no
 
−
 
 
−
    permission to license the work in any other way, but it does not
 
−
 
 
−
    invalidate such permission if you have separately received it.
 
−
 
 
−
 
 
−
 
 
−
    d) If the work has interactive user interfaces, each must display
 
−
 
 
−
    Appropriate Legal Notices; however, if the Program has interactive
 
−
 
 
−
    interfaces that do not display Appropriate Legal Notices, your
 
−
 
 
−
    work need not make them do so.
 
−
 
 
−
 
 
−
 
 
−
  A compilation of a covered work with other separate and independent
 
−
 
 
−
works, which are not by their nature extensions of the covered work,
 
−
 
 
−
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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"aggregate" if the compilation and its resulting copyright are not
 
−
 
 
−
used to limit the access or legal rights of the compilation's users
 
−
 
 
−
beyond what the individual works permit.  Inclusion of a covered work
 
−
 
 
−
in an aggregate does not cause this License to apply to the other
 
−
 
 
−
parts of the aggregate.
 
−
 
 
−
 
 
−
 
 
−
  6. Conveying Non-Source Forms.
 
−
 
 
−
 
 
−
 
 
−
  You may convey a covered work in object code form under the terms
 
−
 
 
−
of sections 4 and 5, provided that you also convey the
 
−
 
 
−
machine-readable Corresponding Source under the terms of this License,
 
−
 
 
−
in one of these ways:
 
−
 
 
−
 
 
−
 
 
−
    a) Convey the object code in, or embodied in, a physical product
 
−
 
 
−
    (including a physical distribution medium), accompanied by the
 
−
 
 
−
    Corresponding Source fixed on a durable physical medium
 
−
 
 
−
    customarily used for software interchange.
 
−
 
 
−
 
 
−
 
 
−
    b) Convey the object code in, or embodied in, a physical product
 
−
 
 
−
    (including a physical distribution medium), accompanied by a
 
−
 
 
−
    written offer, valid for at least three years and valid for as
 
−
 
 
−
    long as you offer spare parts or customer support for that product
 
−
 
 
−
    model, to give anyone who possesses the object code either (1) a
 
−
 
 
−
    copy of the Corresponding Source for all the software in the
 
−
 
 
−
    product that is 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.
 
−
 
 
−
 
 
−
 
 
−
    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.
 
−
 
 
−
 
 
−
 
 
−
    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.
 
−
 
 
−
 
 
−
 
 
−
    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.
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
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  A "User Product" is either (1) a "consumer product", 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, "normally used" 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.
 
−
 
 
−
 
 
−
 
 
−
  "Installation Information" 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.
 
−
 
 
−
 
 
−
 
 
−
  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 ROM).
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
  7. Additional Terms.
 
−
 
 
−
 
 
−
 
 
−
  "Additional permissions" 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.
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
  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:
 
−
 
 
−
 
 
−
 
 
−
    a) Disclaiming warranty or limiting liability differently from the
 
−
 
 
−
    terms of sections 15 and 16 of this License; or
 
−
 
 
−
 
 
−
 
 
−
    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
 
−
 
 
−
 
 
−
 
 
−
    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
 
−
 
 
−
 
 
−
 
 
−
    d) Limiting the use for publicity purposes of names of licensors or
 
−
 
 
−
    authors of the material; or
 
−
 
 
−
 
 
−
 
 
−
    e) Declining to grant rights under trademark law for use of some
 
−
 
 
−
    trade names, trademarks, or service marks; or
 
−
 
 
−
 
 
−
 
 
−
    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.
 
−
 
 
−
 
 
−
 
 
−
  All other non-permissive additional terms are considered "further
 
−
 
 
−
restrictions" 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.
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
  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).
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
  An "entity transaction" 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.
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
  11. Patents.
 
−
 
 
−
 
 
−
 
 
−
  A "contributor" 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 "contributor version".
 
−
 
 
−
 
 
−
 
 
−
  A contributor's "essential patent claims" 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, "control" includes the right to grant
 
−
 
 
−
patent sublicenses in a manner consistent with the requirements of
 
−
 
 
−
this License.
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
  In the following three paragraphs, a "patent license" 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 "grant" such a patent license to a
 
−
 
 
−
party means to make such an agreement or commitment not to enforce a
 
−
 
 
−
patent against the party.
 
−
 
 
−
 
 
−
 
 
−
  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.  "Knowingly relying" 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.
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
  A patent license is "discriminatory" 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.
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
  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 GNU 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 GNU Affero General Public License,
 
−
 
 
−
section 13, concerning interaction through a network will apply to the
 
−
 
 
−
combination as such.
 
−
 
 
−
 
 
−
 
 
−
  14. Revised Versions of this License.
 
−
 
 
−
 
 
−
 
 
−
  The Free Software Foundation may publish revised and/or new versions of
 
−
 
 
−
the GNU 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.
 
−
 
 
−
 
 
−
 
 
−
  Each version is given a distinguishing version number.  If the
 
−
 
 
−
Program specifies that a certain numbered version of the GNU General
 
−
 
 
−
Public License "or any later version" 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
 
−
 
 
−
GNU General Public License, you may choose any version ever published
 
−
 
 
−
by the Free Software Foundation.
 
−
 
 
−
 
 
−
 
 
−
  If the Program specifies that a proxy can decide which future
 
−
 
 
−
versions of the GNU 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.
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
  15. Disclaimer of Warranty.
 
−
 
 
−
 
 
−
 
 
−
  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
 
−
 
 
−
APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
 
−
 
 
−
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" 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.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
 
−
 
 
−
IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
 
−
 
 
−
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
 
−
 
 
−
 
 
−
 
 
−
  16. Limitation of Liability.
 
−
 
 
−
 
 
−
 
 
−
  IN 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 (INCLUDING 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),
 
−
 
 
−
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
 
−
 
 
−
SUCH DAMAGES.
 
−
 
 
−
 
 
−
 
 
−
  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.
 
−
 
 
−
 
 
−
 
 
−
                    END OF TERMS AND CONDITIONS
 
−
 
 
−
 
 
−
 
 
−
            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.
 
−
 
 
−
 
 
−
 
 
−
  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 "copyright" line and a pointer to where the full notice is found.
 
−
 
 
−
 
 
−
 
 
−
    <one line to give the program's 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 <http://www.gnu.org/licenses/>.
 
−
 
 
−
 
 
−
 
 
−
Also add information on how to contact you by electronic and paper mail.
 
−
 
 
−
 
 
−
 
 
−
  If the program does terminal interaction, make it output a short
 
−
 
 
−
notice like this when it starts in an interactive mode:
 
−
 
 
−
 
 
−
 
 
−
    <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.
 
−
 
 
−
 
 
−
 
 
−
The hypothetical commands `show w' and `show c' should show the appropriate
 
−
 
 
−
parts of the General Public License.  Of course, your program's commands
 
−
 
 
−
might be different; for a GUI interface, you would use an "about box".
 
−
 
 
−
 
 
−
 
 
−
  You should also get your employer (if you work as a programmer) or school,
 
−
 
 
−
if any, to sign a "copyright disclaimer" for the program, if necessary.
 
−
 
 
−
For more information on this, and how to apply and follow the GNU GPL, see
 
−
 
 
−
<http://www.gnu.org/licenses/>.
 
−
 
 
−
 
 
−
 
 
−
  The GNU 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 GNU Lesser General
 
−
 
 
−
Public License instead of this License.  But first, please read
 
−
 
 
−
<http://www.gnu.org/philosophy/why-not-lgpl.html>.
 
−
 
 
−
</pre>
 

Latest revision as of 22:13, 19 January 2017