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                    GNU GENERAL PUBLIC LICENSE
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     2  | 
                       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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     6  | 
 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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    11  | 
software and other kinds of works.
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    12  | 
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    13  | 
  The licenses for most software and other practical works are designed
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    14  | 
to take away your freedom to share and change the works.  By contrast,
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    15  | 
the GNU General Public License is intended to guarantee your freedom to
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    16  | 
share and change all versions of a program--to make sure it remains free
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    17  | 
software for all its users.  We, the Free Software Foundation, use the
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    18  | 
GNU General Public License for most of our software; it applies also to
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    19  | 
any other work released this way by its authors.  You can apply it to
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    20  | 
your programs, too.
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    21  | 
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    22  | 
  When we speak of free software, we are referring to freedom, not
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    23  | 
price.  Our General Public Licenses are designed to make sure that you
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    24  | 
have the freedom to distribute copies of free software (and charge for
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    25  | 
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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    27  | 
free programs, and that you know you can do these things.
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    28  | 
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    29  | 
  To protect your rights, we need to prevent others from denying you
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    30  | 
these rights or asking you to surrender the rights.  Therefore, you have
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    31  | 
certain responsibilities if you distribute copies of the software, or if
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    32  | 
you modify it: responsibilities to respect the freedom of others.
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    33  | 
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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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    36  | 
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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    39  | 
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    40  | 
  Developers that use the GNU GPL protect your rights with two steps:
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    41  | 
(1) assert copyright on the software, and (2) offer you this License
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    42  | 
giving you legal permission to copy, distribute and/or modify it.
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    43  | 
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    44  | 
  For the developers' and authors' protection, the GPL clearly explains
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    45  | 
that there is no warranty for this free software.  For both users' and
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    46  | 
authors' sake, the GPL requires that modified versions be marked as
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    47  | 
changed, so that their problems will not be attributed erroneously to
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    48  | 
authors of previous versions.
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    49  | 
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    50  | 
  Some devices are designed to deny users access to install or run
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    51  | 
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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    53  | 
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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    59  | 
of the GPL, as needed to protect the freedom of users.
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    60  | 
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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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    67  | 
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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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    76  | 
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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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    82  | 
"recipients" may be individuals or organizations.
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    83  | 
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    84  | 
  To "modify" a work means to copy from or adapt all or part of the work
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    85  | 
in a fashion requiring copyright permission, other than the making of an
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    86  | 
exact copy.  The resulting work is called a "modified version" of the
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    87  | 
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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    92  | 
  To "propagate" a work means to do anything with it that, without
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    93  | 
permission, would make you directly or secondarily liable for
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    94  | 
infringement under applicable copyright law, except executing it on a
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    95  | 
computer or modifying a private copy.  Propagation includes copying,
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    96  | 
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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  To "convey" a work means any kind of propagation that enables other
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   100  | 
parties to make or receive copies.  Mere interaction with a user through
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   101  | 
a computer network, with no transfer of a copy, is not conveying.
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   102  | 
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  An interactive user interface displays "Appropriate Legal Notices"
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   104  | 
to 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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   106  | 
tells the user that there is no warranty for the work (except to the
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   107  | 
extent that warranties are provided), that licensees may convey the
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   108  | 
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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   110  | 
menu, a prominent item in the list meets this criterion.
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   111  | 
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  1. Source Code.
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   113  | 
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  The "source code" for a work means the preferred form of the work
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   115  | 
for making modifications to it.  "Object code" means any non-source
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   116  | 
form of a work.
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  A "Standard Interface" means an interface that either is an official
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   119  | 
standard defined by a recognized standards body, or, in the case of
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   120  | 
interfaces specified for a particular programming language, one that
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   121  | 
is widely used among developers working in that language.
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   122  | 
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   123  | 
  The "System Libraries" of an executable work include anything, other
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   124  | 
than the work as a whole, that (a) is included in the normal form of
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   125  | 
packaging a Major Component, but which is not part of that Major
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   126  | 
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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   128  | 
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
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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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   132  | 
produce the work, or an object code interpreter used to run it.
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   133  | 
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  The "Corresponding Source" for a work in object code form means all
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   135  | 
the source code needed to generate, install, and (for an executable
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   136  | 
work) run the object code and to modify the work, including scripts to
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   137  | 
control those activities.  However, it does not include the work's
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   138  | 
System Libraries, or general-purpose tools or generally available free
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   139  | 
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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   141  | 
includes interface definition files associated with source files for
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   142  | 
the work, and the source code for shared libraries and dynamically
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   143  | 
linked subprograms that the work is specifically designed to require,
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   144  | 
such as by intimate data communication or control flow between those
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   145  | 
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
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Source.
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   150  | 
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  The Corresponding Source for a work in source code form is that
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same work.
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   153  | 
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  2. Basic Permissions.
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   155  | 
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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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   158  | 
conditions are met.  This License explicitly affirms your unlimited
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   159  | 
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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   161  | 
content, constitutes a covered work.  This License acknowledges your
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   162  | 
rights of fair use or other equivalent, as provided by copyright law.
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   163  | 
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   164  | 
  You may make, run and propagate covered works that you do not
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   165  | 
convey, without conditions so long as your license otherwise remains
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   166  | 
in force.  You may convey covered works to others for the sole purpose
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   167  | 
of having them make modifications exclusively for you, or provide you
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   168  | 
with facilities for running those works, provided that you comply with
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   169  | 
the terms of this License in conveying all material for which you do
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   170  | 
not control copyright.  Those thus making or running the covered works
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   171  | 
for you must do so exclusively on your behalf, under your direction
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   172  | 
and control, on terms that prohibit them from making any copies of
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   173  | 
your copyrighted material outside their relationship with you.
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   174  | 
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   175  | 
  Conveying under any other circumstances is permitted solely under
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   176  | 
the conditions stated below.  Sublicensing is not allowed; section 10
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   177  | 
makes it unnecessary.
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   178  | 
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   179  | 
  3. Protecting Users' Legal Rights From Anti-Circumvention Law.
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   180  | 
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  No covered work shall be deemed part of an effective technological
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   182  | 
measure under any applicable law fulfilling obligations under article
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   183  | 
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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   185  | 
measures.
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   186  | 
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   187  | 
  When you convey a covered work, you waive any legal power to forbid
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   188  | 
circumvention of technological measures to the extent such circumvention
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   189  | 
is effected by exercising rights under this License with respect to
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   190  | 
the covered work, and you disclaim any intention to limit operation or
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   191  | 
modification of the work as a means of enforcing, against the work's
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   192  | 
users, your or third parties' legal rights to forbid circumvention of
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   193  | 
technological measures.
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   194  | 
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   195  | 
  4. Conveying Verbatim Copies.
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   196  | 
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  You may convey verbatim copies of the Program's source code as you
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   198  | 
receive it, in any medium, provided that you conspicuously and
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   199  | 
appropriately publish on each copy an appropriate copyright notice;
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   200  | 
keep intact all notices stating that this License and any
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   201  | 
non-permissive terms added in accord with section 7 apply to the code;
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   202  | 
keep intact all notices of the absence of any warranty; and give all
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   203  | 
recipients a copy of this License along with the Program.
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   204  | 
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   205  | 
  You may charge any price or no price for each copy that you convey,
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   206  | 
and you may offer support or warranty protection for a fee.
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   207  | 
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   208  | 
  5. Conveying Modified Source Versions.
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   209  | 
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  You may convey a work based on the Program, or the modifications to
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   211  | 
produce it from the Program, in the form of source code under the
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   212  | 
terms of section 4, provided that you also meet all of these conditions:
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   213  | 
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   214  | 
    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
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   218  | 
    released under this License and any conditions added under section
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    7.  This requirement modifies the requirement in section 4 to
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   220  | 
    "keep intact all notices".
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   221  | 
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   222  | 
    c) You must license the entire work, as a whole, under this
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   223  | 
    License to anyone who comes into possession of a copy.  This
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   224  | 
    License will therefore apply, along with any applicable section 7
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   225  | 
    additional terms, to the whole of the work, and all its parts,
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   226  | 
    regardless of how they are packaged.  This License gives no
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   227  | 
    permission to license the work in any other way, but it does not
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   228  | 
    invalidate such permission if you have separately received it.
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   229  | 
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   230  | 
    d) If the work has interactive user interfaces, each must display
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   231  | 
    Appropriate Legal Notices; however, if the Program has interactive
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   232  | 
    interfaces that do not display Appropriate Legal Notices, your
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   233  | 
    work need not make them do so.
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   234  | 
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   235  | 
  A compilation of a covered work with other separate and independent
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   236  | 
works, which are not by their nature extensions of the covered work,
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   237  | 
and which are not combined with it such as to form a larger program,
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   238  | 
in or on a volume of a storage or distribution medium, is called an
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   239  | 
"aggregate" if the compilation and its resulting copyright are not
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   240  | 
used to limit the access or legal rights of the compilation's users
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   241  | 
beyond what the individual works permit.  Inclusion of a covered work
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   242  | 
in an aggregate does not cause this License to apply to the other
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   243  | 
parts of the aggregate.
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   244  | 
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   245  | 
  6. Conveying Non-Source Forms.
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   246  | 
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   247  | 
  You may convey a covered work in object code form under the terms
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   248  | 
of sections 4 and 5, provided that you also convey the
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   249  | 
machine-readable Corresponding Source under the terms of this License,
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   250  | 
in one of these ways:
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   251  | 
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   252  | 
    a) Convey the object code in, or embodied in, a physical product
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   253  | 
    (including a physical distribution medium), accompanied by the
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   254  | 
    Corresponding Source fixed on a durable physical medium
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   255  | 
    customarily used for software interchange.
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   256  | 
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   257  | 
    b) Convey the object code in, or embodied in, a physical product
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   258  | 
    (including a physical distribution medium), accompanied by a
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   259  | 
    written offer, valid for at least three years and valid for as
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   260  | 
    long as you offer spare parts or customer support for that product
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   261  | 
    model, to give anyone who possesses the object code either (1) a
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   262  | 
    copy of the Corresponding Source for all the software in the
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   263  | 
    product that is covered by this License, on a durable physical
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   264  | 
    medium customarily used for software interchange, for a price no
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   265  | 
    more than your reasonable cost of physically performing this
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   266  | 
    conveying of source, or (2) access to copy the
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   267  | 
    Corresponding Source from a network server at no charge.
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   268  | 
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   269  | 
    c) Convey individual copies of the object code with a copy of the
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   270  | 
    written offer to provide the Corresponding Source.  This
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   271  | 
    alternative is allowed only occasionally and noncommercially, and
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   272  | 
    only if you received the object code with such an offer, in accord
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   273  | 
    with subsection 6b.
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   274  | 
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   275  | 
    d) Convey the object code by offering access from a designated
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   276  | 
    place (gratis or for a charge), and offer equivalent access to the
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   277  | 
    Corresponding Source in the same way through the same place at no
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   278  | 
    further charge.  You need not require recipients to copy the
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   279  | 
    Corresponding Source along with the object code.  If the place to
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   280  | 
    copy the object code is a network server, the Corresponding Source
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   281  | 
    may be on a different server (operated by you or a third party)
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   282  | 
    that supports equivalent copying facilities, provided you maintain
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   283  | 
    clear directions next to the object code saying where to find the
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   284  | 
    Corresponding Source.  Regardless of what server hosts the
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   285  | 
    Corresponding Source, you remain obligated to ensure that it is
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   286  | 
    available for as long as needed to satisfy these requirements.
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   287  | 
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   288  | 
    e) Convey the object code using peer-to-peer transmission, provided
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   289  | 
    you inform other peers where the object code and Corresponding
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   290  | 
    Source of the work are being offered to the general public at no
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   291  | 
    charge under subsection 6d.
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   292  | 
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   293  | 
  A separable portion of the object code, whose source code is excluded
  | 
| 
 | 
   294  | 
from the Corresponding Source as a System Library, need not be
  | 
| 
 | 
   295  | 
included in conveying the object code work.
  | 
| 
 | 
   296  | 
  | 
| 
 | 
   297  | 
  A "User Product" is either (1) a "consumer product", which means any
  | 
| 
 | 
   298  | 
tangible personal property which is normally used for personal, family,
  | 
| 
 | 
   299  | 
or household purposes, or (2) anything designed or sold for incorporation
  | 
| 
 | 
   300  | 
into a dwelling.  In determining whether a product is a consumer product,
  | 
| 
 | 
   301  | 
doubtful cases shall be resolved in favor of coverage.  For a particular
  | 
| 
 | 
   302  | 
product received by a particular user, "normally used" refers to a
  | 
| 
 | 
   303  | 
typical or common use of that class of product, regardless of the status
  | 
| 
 | 
   304  | 
of the particular user or of the way in which the particular user
  | 
| 
 | 
   305  | 
actually uses, or expects or is expected to use, the product.  A product
  | 
| 
 | 
   306  | 
is a consumer product regardless of whether the product has substantial
  | 
| 
 | 
   307  | 
commercial, industrial or non-consumer uses, unless such uses represent
  | 
| 
 | 
   308  | 
the only significant mode of use of the product.
  | 
| 
 | 
   309  | 
  | 
| 
 | 
   310  | 
  "Installation Information" for a User Product means any methods,
  | 
| 
 | 
   311  | 
procedures, authorization keys, or other information required to install
  | 
| 
 | 
   312  | 
and execute modified versions of a covered work in that User Product from
  | 
| 
 | 
   313  | 
a modified version of its Corresponding Source.  The information must
  | 
| 
 | 
   314  | 
suffice to ensure that the continued functioning of the modified object
  | 
| 
 | 
   315  | 
code is in no case prevented or interfered with solely because
  | 
| 
 | 
   316  | 
modification has been made.
  | 
| 
 | 
   317  | 
  | 
| 
 | 
   318  | 
  If you convey an object code work under this section in, or with, or
  | 
| 
 | 
   319  | 
specifically for use in, a User Product, and the conveying occurs as
  | 
| 
 | 
   320  | 
part of a transaction in which the right of possession and use of the
  | 
| 
 | 
   321  | 
User Product is transferred to the recipient in perpetuity or for a
  | 
| 
 | 
   322  | 
fixed term (regardless of how the transaction is characterized), the
  | 
| 
 | 
   323  | 
Corresponding Source conveyed under this section must be accompanied
  | 
| 
 | 
   324  | 
by the Installation Information.  But this requirement does not apply
  | 
| 
 | 
   325  | 
if neither you nor any third party retains the ability to install
  | 
| 
 | 
   326  | 
modified object code on the User Product (for example, the work has
  | 
| 
 | 
   327  | 
been installed in ROM).
  | 
| 
 | 
   328  | 
  | 
| 
 | 
   329  | 
  The requirement to provide Installation Information does not include a
  | 
| 
 | 
   330  | 
requirement to continue to provide support service, warranty, or updates
  | 
| 
 | 
   331  | 
for a work that has been modified or installed by the recipient, or for
  | 
| 
 | 
   332  | 
the User Product in which it has been modified or installed.  Access to a
  | 
| 
 | 
   333  | 
network may be denied when the modification itself materially and
  | 
| 
 | 
   334  | 
adversely affects the operation of the network or violates the rules and
  | 
| 
 | 
   335  | 
protocols for communication across the network.
  | 
| 
 | 
   336  | 
  | 
| 
 | 
   337  | 
  Corresponding Source conveyed, and Installation Information provided,
  | 
| 
 | 
   338  | 
in accord with this section must be in a format that is publicly
  | 
| 
 | 
   339  | 
documented (and with an implementation available to the public in
  | 
| 
 | 
   340  | 
source code form), and must require no special password or key for
  | 
| 
 | 
   341  | 
unpacking, reading or copying.
  | 
| 
 | 
   342  | 
  | 
| 
 | 
   343  | 
  7. Additional Terms.
  | 
| 
 | 
   344  | 
  | 
| 
 | 
   345  | 
  "Additional permissions" are terms that supplement the terms of this
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| 
 | 
   346  | 
License by making exceptions from one or more of its conditions.
  | 
| 
 | 
   347  | 
Additional permissions that are applicable to the entire Program shall
  | 
| 
 | 
   348  | 
be treated as though they were included in this License, to the extent
  | 
| 
 | 
   349  | 
that they are valid under applicable law.  If additional permissions
  | 
| 
 | 
   350  | 
apply only to part of the Program, that part may be used separately
  | 
| 
 | 
   351  | 
under those permissions, but the entire Program remains governed by
  | 
| 
 | 
   352  | 
this License without regard to the additional permissions.
  | 
| 
 | 
   353  | 
  | 
| 
 | 
   354  | 
  When you convey a copy of a covered work, you may at your option
  | 
| 
 | 
   355  | 
remove any additional permissions from that copy, or from any part of
  | 
| 
 | 
   356  | 
it.  (Additional permissions may be written to require their own
  | 
| 
 | 
   357  | 
removal in certain cases when you modify the work.)  You may place
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| 
 | 
   358  | 
additional permissions on material, added by you to a covered work,
  | 
| 
 | 
   359  | 
for which you have or can give appropriate copyright permission.
  | 
| 
 | 
   360  | 
  | 
| 
 | 
   361  | 
  Notwithstanding any other provision of this License, for material you
  | 
| 
 | 
   362  | 
add to a covered work, you may (if authorized by the copyright holders of
  | 
| 
 | 
   363  | 
that material) supplement the terms of this License with terms:
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| 
 | 
   364  | 
  | 
| 
 | 
   365  | 
    a) Disclaiming warranty or limiting liability differently from the
  | 
| 
 | 
   366  | 
    terms of sections 15 and 16 of this License; or
  | 
| 
 | 
   367  | 
  | 
| 
 | 
   368  | 
    b) Requiring preservation of specified reasonable legal notices or
  | 
| 
 | 
   369  | 
    author attributions in that material or in the Appropriate Legal
  | 
| 
 | 
   370  | 
    Notices displayed by works containing it; or
  | 
| 
 | 
   371  | 
  | 
| 
 | 
   372  | 
    c) Prohibiting misrepresentation of the origin of that material, or
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| 
 | 
   373  | 
    requiring that modified versions of such material be marked in
  | 
| 
 | 
   374  | 
    reasonable ways as different from the original version; or
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| 
 | 
   375  | 
  | 
| 
 | 
   376  | 
    d) Limiting the use for publicity purposes of names of licensors or
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| 
 | 
   377  | 
    authors of the material; or
  | 
| 
 | 
   378  | 
  | 
| 
 | 
   379  | 
    e) Declining to grant rights under trademark law for use of some
  | 
| 
 | 
   380  | 
    trade names, trademarks, or service marks; or
  | 
| 
 | 
   381  | 
  | 
| 
 | 
   382  | 
    f) Requiring indemnification of licensors and authors of that
  | 
| 
 | 
   383  | 
    material by anyone who conveys the material (or modified versions of
  | 
| 
 | 
   384  | 
    it) with contractual assumptions of liability to the recipient, for
  | 
| 
 | 
   385  | 
    any liability that these contractual assumptions directly impose on
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| 
 | 
   386  | 
    those licensors and authors.
  | 
| 
 | 
   387  | 
  | 
| 
 | 
   388  | 
  All other non-permissive additional terms are considered "further
  | 
| 
 | 
   389  | 
restrictions" within the meaning of section 10.  If the Program as you
  | 
| 
 | 
   390  | 
received it, or any part of it, contains a notice stating that it is
  | 
| 
 | 
   391  | 
governed by this License along with a term that is a further
  | 
| 
 | 
   392  | 
restriction, you may remove that term.  If a license document contains
  | 
| 
 | 
   393  | 
a further restriction but permits relicensing or conveying under this
  | 
| 
 | 
   394  | 
License, you may add to a covered work material governed by the terms
  | 
| 
 | 
   395  | 
of that license document, provided that the further restriction does
  | 
| 
 | 
   396  | 
not survive such relicensing or conveying.
  | 
| 
 | 
   397  | 
  | 
| 
 | 
   398  | 
  If you add terms to a covered work in accord with this section, you
  | 
| 
 | 
   399  | 
must place, in the relevant source files, a statement of the
  | 
| 
 | 
   400  | 
additional terms that apply to those files, or a notice indicating
  | 
| 
 | 
   401  | 
where to find the applicable terms.
  | 
| 
 | 
   402  | 
  | 
| 
 | 
   403  | 
  Additional terms, permissive or non-permissive, may be stated in the
  | 
| 
 | 
   404  | 
form of a separately written license, or stated as exceptions;
  | 
| 
 | 
   405  | 
the above requirements apply either way.
  | 
| 
 | 
   406  | 
  | 
| 
 | 
   407  | 
  8. Termination.
  | 
| 
 | 
   408  | 
  | 
| 
 | 
   409  | 
  You may not propagate or modify a covered work except as expressly
  | 
| 
 | 
   410  | 
provided under this License.  Any attempt otherwise to propagate or
  | 
| 
 | 
   411  | 
modify it is void, and will automatically terminate your rights under
  | 
| 
 | 
   412  | 
this License (including any patent licenses granted under the third
  | 
| 
 | 
   413  | 
paragraph of section 11).
  | 
| 
 | 
   414  | 
  | 
| 
 | 
   415  | 
  However, if you cease all violation of this License, then your
  | 
| 
 | 
   416  | 
license from a particular copyright holder is reinstated (a)
  | 
| 
 | 
   417  | 
provisionally, unless and until the copyright holder explicitly and
  | 
| 
 | 
   418  | 
finally terminates your license, and (b) permanently, if the copyright
  | 
| 
 | 
   419  | 
holder fails to notify you of the violation by some reasonable means
  | 
| 
 | 
   420  | 
prior to 60 days after the cessation.
  | 
| 
 | 
   421  | 
  | 
| 
 | 
   422  | 
  Moreover, your license from a particular copyright holder is
  | 
| 
 | 
   423  | 
reinstated permanently if the copyright holder notifies you of the
  | 
| 
 | 
   424  | 
violation by some reasonable means, this is the first time you have
  | 
| 
 | 
   425  | 
received notice of violation of this License (for any work) from that
  | 
| 
 | 
   426  | 
copyright holder, and you cure the violation prior to 30 days after
  | 
| 
 | 
   427  | 
your receipt of the notice.
  | 
| 
 | 
   428  | 
  | 
| 
 | 
   429  | 
  Termination of your rights under this section does not terminate the
  | 
| 
 | 
   430  | 
licenses of parties who have received copies or rights from you under
  | 
| 
 | 
   431  | 
this License.  If your rights have been terminated and not permanently
  | 
| 
 | 
   432  | 
reinstated, you do not qualify to receive new licenses for the same
  | 
| 
 | 
   433  | 
material under section 10.
  | 
| 
 | 
   434  | 
  | 
| 
 | 
   435  | 
  9. Acceptance Not Required for Having Copies.
  | 
| 
 | 
   436  | 
  | 
| 
 | 
   437  | 
  You are not required to accept this License in order to receive or
  | 
| 
 | 
   438  | 
run a copy of the Program.  Ancillary propagation of a covered work
  | 
| 
 | 
   439  | 
occurring solely as a consequence of using peer-to-peer transmission
  | 
| 
 | 
   440  | 
to receive a copy likewise does not require acceptance.  However,
  | 
| 
 | 
   441  | 
nothing other than this License grants you permission to propagate or
  | 
| 
 | 
   442  | 
modify any covered work.  These actions infringe copyright if you do
  | 
| 
 | 
   443  | 
not accept this License.  Therefore, by modifying or propagating a
  | 
| 
 | 
   444  | 
covered work, you indicate your acceptance of this License to do so.
  | 
| 
 | 
   445  | 
  | 
| 
 | 
   446  | 
  10. Automatic Licensing of Downstream Recipients.
  | 
| 
 | 
   447  | 
  | 
| 
 | 
   448  | 
  Each time you convey a covered work, the recipient automatically
  | 
| 
 | 
   449  | 
receives a license from the original licensors, to run, modify and
  | 
| 
 | 
   450  | 
propagate that work, subject to this License.  You are not responsible
  | 
| 
 | 
   451  | 
for enforcing compliance by third parties with this License.
  | 
| 
 | 
   452  | 
  | 
| 
 | 
   453  | 
  An "entity transaction" is a transaction transferring control of an
  | 
| 
 | 
   454  | 
organization, or substantially all assets of one, or subdividing an
  | 
| 
 | 
   455  | 
organization, or merging organizations.  If propagation of a covered
  | 
| 
 | 
   456  | 
work results from an entity transaction, each party to that
  | 
| 
 | 
   457  | 
transaction who receives a copy of the work also receives whatever
  | 
| 
 | 
   458  | 
licenses to the work the party's predecessor in interest had or could
  | 
| 
 | 
   459  | 
give under the previous paragraph, plus a right to possession of the
  | 
| 
 | 
   460  | 
Corresponding Source of the work from the predecessor in interest, if
  | 
| 
 | 
   461  | 
the predecessor has it or can get it with reasonable efforts.
  | 
| 
 | 
   462  | 
  | 
| 
 | 
   463  | 
  You may not impose any further restrictions on the exercise of the
  | 
| 
 | 
   464  | 
rights granted or affirmed under this License.  For example, you may
  | 
| 
 | 
   465  | 
not impose a license fee, royalty, or other charge for exercise of
  | 
| 
 | 
   466  | 
rights granted under this License, and you may not initiate litigation
  | 
| 
 | 
   467  | 
(including a cross-claim or counterclaim in a lawsuit) alleging that
  | 
| 
 | 
   468  | 
any patent claim is infringed by making, using, selling, offering for
  | 
| 
 | 
   469  | 
sale, or importing the Program or any portion of it.
  | 
| 
 | 
   470  | 
  | 
| 
 | 
   471  | 
  11. Patents.
  | 
| 
 | 
   472  | 
  | 
| 
 | 
   473  | 
  A "contributor" is a copyright holder who authorizes use under this
  | 
| 
 | 
   474  | 
License of the Program or a work on which the Program is based.  The
  | 
| 
 | 
   475  | 
work thus licensed is called the contributor's "contributor version".
  | 
| 
 | 
   476  | 
  | 
| 
 | 
   477  | 
  A contributor's "essential patent claims" are all patent claims
  | 
| 
 | 
   478  | 
owned or controlled by the contributor, whether already acquired or
  | 
| 
 | 
   479  | 
hereafter acquired, that would be infringed by some manner, permitted
  | 
| 
 | 
   480  | 
by this License, of making, using, or selling its contributor version,
  | 
| 
 | 
   481  | 
but do not include claims that would be infringed only as a
  | 
| 
 | 
   482  | 
consequence of further modification of the contributor version.  For
  | 
| 
 | 
   483  | 
purposes of this definition, "control" includes the right to grant
  | 
| 
 | 
   484  | 
patent sublicenses in a manner consistent with the requirements of
  | 
| 
 | 
   485  | 
this License.
  | 
| 
 | 
   486  | 
  | 
| 
 | 
   487  | 
  Each contributor grants you a non-exclusive, worldwide, royalty-free
  | 
| 
 | 
   488  | 
patent license under the contributor's essential patent claims, to
  | 
| 
 | 
   489  | 
make, use, sell, offer for sale, import and otherwise run, modify and
  | 
| 
 | 
   490  | 
propagate the contents of its contributor version.
  | 
| 
 | 
   491  | 
  | 
| 
 | 
   492  | 
  In the following three paragraphs, a "patent license" is any express
  | 
| 
 | 
   493  | 
agreement or commitment, however denominated, not to enforce a patent
  | 
| 
 | 
   494  | 
(such as an express permission to practice a patent or covenant not to
  | 
| 
 | 
   495  | 
sue for patent infringement).  To "grant" such a patent license to a
  | 
| 
 | 
   496  | 
party means to make such an agreement or commitment not to enforce a
  | 
| 
 | 
   497  | 
patent against the party.
  | 
| 
 | 
   498  | 
  | 
| 
 | 
   499  | 
  If you convey a covered work, knowingly relying on a patent license,
  | 
| 
 | 
   500  | 
and the Corresponding Source of the work is not available for anyone
  | 
| 
 | 
   501  | 
to copy, free of charge and under the terms of this License, through a
  | 
| 
 | 
   502  | 
publicly available network server or other readily accessible means,
  | 
| 
 | 
   503  | 
then you must either (1) cause the Corresponding Source to be so
  | 
| 
 | 
   504  | 
available, or (2) arrange to deprive yourself of the benefit of the
  | 
| 
 | 
   505  | 
patent license for this particular work, or (3) arrange, in a manner
  | 
| 
 | 
   506  | 
consistent with the requirements of this License, to extend the patent
  | 
| 
 | 
   507  | 
license to downstream recipients.  "Knowingly relying" means you have
  | 
| 
 | 
   508  | 
actual knowledge that, but for the patent license, your conveying the
  | 
| 
 | 
   509  | 
covered work in a country, or your recipient's use of the covered work
  | 
| 
 | 
   510  | 
in a country, would infringe one or more identifiable patents in that
  | 
| 
 | 
   511  | 
country that you have reason to believe are valid.
  | 
| 
 | 
   512  | 
  | 
| 
 | 
   513  | 
  If, pursuant to or in connection with a single transaction or
  | 
| 
 | 
   514  | 
arrangement, you convey, or propagate by procuring conveyance of, a
  | 
| 
 | 
   515  | 
covered work, and grant a patent license to some of the parties
  | 
| 
 | 
   516  | 
receiving the covered work authorizing them to use, propagate, modify
  | 
| 
 | 
   517  | 
or convey a specific copy of the covered work, then the patent license
  | 
| 
 | 
   518  | 
you grant is automatically extended to all recipients of the covered
  | 
| 
 | 
   519  | 
work and works based on it.
  | 
| 
 | 
   520  | 
  | 
| 
 | 
   521  | 
  A patent license is "discriminatory" if it does not include within
  | 
| 
 | 
   522  | 
the scope of its coverage, prohibits the exercise of, or is
  | 
| 
 | 
   523  | 
conditioned on the non-exercise of one or more of the rights that are
  | 
| 
 | 
   524  | 
specifically granted under this License.  You may not convey a covered
  | 
| 
 | 
   525  | 
work if you are a party to an arrangement with a third party that is
  | 
| 
 | 
   526  | 
in the business of distributing software, under which you make payment
  | 
| 
 | 
   527  | 
to the third party based on the extent of your activity of conveying
  | 
| 
 | 
   528  | 
the work, and under which the third party grants, to any of the
  | 
| 
 | 
   529  | 
parties who would receive the covered work from you, a discriminatory
  | 
| 
 | 
   530  | 
patent license (a) in connection with copies of the covered work
  | 
| 
 | 
   531  | 
conveyed by you (or copies made from those copies), or (b) primarily
  | 
| 
 | 
   532  | 
for and in connection with specific products or compilations that
  | 
| 
 | 
   533  | 
contain the covered work, unless you entered into that arrangement,
  | 
| 
 | 
   534  | 
or that patent license was granted, prior to 28 March 2007.
  | 
| 
 | 
   535  | 
  | 
| 
 | 
   536  | 
  Nothing in this License shall be construed as excluding or limiting
  | 
| 
 | 
   537  | 
any implied license or other defenses to infringement that may
  | 
| 
 | 
   538  | 
otherwise be available to you under applicable patent law.
  | 
| 
 | 
   539  | 
  | 
| 
 | 
   540  | 
  12. No Surrender of Others' Freedom.
  | 
| 
 | 
   541  | 
  | 
| 
 | 
   542  | 
  If conditions are imposed on you (whether by court order, agreement or
  | 
| 
 | 
   543  | 
otherwise) that contradict the conditions of this License, they do not
  | 
| 
 | 
   544  | 
excuse you from the conditions of this License.  If you cannot convey a
  | 
| 
 | 
   545  | 
covered work so as to satisfy simultaneously your obligations under this
  | 
| 
 | 
   546  | 
License and any other pertinent obligations, then as a consequence you may
  | 
| 
 | 
   547  | 
not convey it at all.  For example, if you agree to terms that obligate you
  | 
| 
 | 
   548  | 
to collect a royalty for further conveying from those to whom you convey
  | 
| 
 | 
   549  | 
the Program, the only way you could satisfy both those terms and this
  | 
| 
 | 
   550  | 
License would be to refrain entirely from conveying the Program.
  | 
| 
 | 
   551  | 
  | 
| 
 | 
   552  | 
  13. Use with the GNU Affero General Public License.
  | 
| 
 | 
   553  | 
  | 
| 
 | 
   554  | 
  Notwithstanding any other provision of this License, you have
  | 
| 
 | 
   555  | 
permission to link or combine any covered work with a work licensed
  | 
| 
 | 
   556  | 
under version 3 of the GNU Affero General Public License into a single
  | 
| 
 | 
   557  | 
combined work, and to convey the resulting work.  The terms of this
  | 
| 
 | 
   558  | 
License will continue to apply to the part which is the covered work,
  | 
| 
 | 
   559  | 
but the special requirements of the GNU Affero General Public License,
  | 
| 
 | 
   560  | 
section 13, concerning interaction through a network will apply to the
  | 
| 
 | 
   561  | 
combination as such.
  | 
| 
 | 
   562  | 
  | 
| 
 | 
   563  | 
  14. Revised Versions of this License.
  | 
| 
 | 
   564  | 
  | 
| 
 | 
   565  | 
  The Free Software Foundation may publish revised and/or new versions of
  | 
| 
 | 
   566  | 
the GNU General Public License from time to time.  Such new versions will
  | 
| 
 | 
   567  | 
be similar in spirit to the present version, but may differ in detail to
  | 
| 
 | 
   568  | 
address new problems or concerns.
  | 
| 
 | 
   569  | 
  | 
| 
 | 
   570  | 
  Each version is given a distinguishing version number.  If the
  | 
| 
 | 
   571  | 
Program specifies that a certain numbered version of the GNU General
  | 
| 
 | 
   572  | 
Public License "or any later version" applies to it, you have the
  | 
| 
 | 
   573  | 
option of following the terms and conditions either of that numbered
  | 
| 
 | 
   574  | 
version or of any later version published by the Free Software
  | 
| 
 | 
   575  | 
Foundation.  If the Program does not specify a version number of the
  | 
| 
 | 
   576  | 
GNU General Public License, you may choose any version ever published
  | 
| 
 | 
   577  | 
by the Free Software Foundation.
  | 
| 
 | 
   578  | 
  | 
| 
 | 
   579  | 
  If the Program specifies that a proxy can decide which future
  | 
| 
 | 
   580  | 
versions of the GNU General Public License can be used, that proxy's
  | 
| 
 | 
   581  | 
public statement of acceptance of a version permanently authorizes you
  | 
| 
 | 
   582  | 
to choose that version for the Program.
  | 
| 
 | 
   583  | 
  | 
| 
 | 
   584  | 
  Later license versions may give you additional or different
  | 
| 
 | 
   585  | 
permissions.  However, no additional obligations are imposed on any
  | 
| 
 | 
   586  | 
author or copyright holder as a result of your choosing to follow a
  | 
| 
 | 
   587  | 
later version.
  | 
| 
 | 
   588  | 
  | 
| 
 | 
   589  | 
  15. Disclaimer of Warranty.
  | 
| 
 | 
   590  | 
  | 
| 
 | 
   591  | 
  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
  | 
| 
 | 
   592  | 
APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
  | 
| 
 | 
   593  | 
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
  | 
| 
 | 
   594  | 
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
  | 
| 
 | 
   595  | 
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  | 
| 
 | 
   596  | 
PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
  | 
| 
 | 
   597  | 
IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
  | 
| 
 | 
   598  | 
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
  | 
| 
 | 
   599  | 
  | 
| 
 | 
   600  | 
  16. Limitation of Liability.
  | 
| 
 | 
   601  | 
  | 
| 
 | 
   602  | 
  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
  | 
| 
 | 
   603  | 
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
  | 
| 
 | 
   604  | 
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
  | 
| 
 | 
   605  | 
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
  | 
| 
 | 
   606  | 
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
  | 
| 
 | 
   607  | 
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
  | 
| 
 | 
   608  | 
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
  | 
| 
 | 
   609  | 
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
  | 
| 
 | 
   610  | 
SUCH DAMAGES.
  | 
| 
 | 
   611  | 
  | 
| 
 | 
   612  | 
  17. Interpretation of Sections 15 and 16.
  | 
| 
 | 
   613  | 
  | 
| 
 | 
   614  | 
  If the disclaimer of warranty and limitation of liability provided
  | 
| 
 | 
   615  | 
above cannot be given local legal effect according to their terms,
  | 
| 
 | 
   616  | 
reviewing courts shall apply local law that most closely approximates
  | 
| 
 | 
   617  | 
an absolute waiver of all civil liability in connection with the
  | 
| 
 | 
   618  | 
Program, unless a warranty or assumption of liability accompanies a
  | 
| 
 | 
   619  | 
copy of the Program in return for a fee.
  | 
| 
 | 
   620  | 
  | 
| 
 | 
   621  | 
                     END OF TERMS AND CONDITIONS
  | 
| 
 | 
   622  | 
  | 
| 
 | 
   623  | 
            How to Apply These Terms to Your New Programs
  | 
| 
 | 
   624  | 
  | 
| 
 | 
   625  | 
  If you develop a new program, and you want it to be of the greatest
  | 
| 
 | 
   626  | 
possible use to the public, the best way to achieve this is to make it
  | 
| 
 | 
   627  | 
free software which everyone can redistribute and change under these terms.
  | 
| 
 | 
   628  | 
  | 
| 
 | 
   629  | 
  To do so, attach the following notices to the program.  It is safest
  | 
| 
 | 
   630  | 
to attach them to the start of each source file to most effectively
  | 
| 
 | 
   631  | 
state the exclusion of warranty; and each file should have at least
  | 
| 
 | 
   632  | 
the "copyright" line and a pointer to where the full notice is found.
  | 
| 
 | 
   633  | 
  | 
| 
 | 
   634  | 
    <one line to give the program's name and a brief idea of what it does.>
  | 
| 
 | 
   635  | 
    Copyright (C) <year>  <name of author>
  | 
| 
 | 
   636  | 
  | 
| 
 | 
   637  | 
    This program is free software: you can redistribute it and/or modify
  | 
| 
 | 
   638  | 
    it under the terms of the GNU General Public License as published by
  | 
| 
 | 
   639  | 
    the Free Software Foundation, either version 3 of the License, or
  | 
| 
 | 
   640  | 
    (at your option) any later version.
  | 
| 
 | 
   641  | 
  | 
| 
 | 
   642  | 
    This program is distributed in the hope that it will be useful,
  | 
| 
 | 
   643  | 
    but WITHOUT ANY WARRANTY; without even the implied warranty of
  | 
| 
 | 
   644  | 
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  | 
| 
 | 
   645  | 
    GNU General Public License for more details.
  | 
| 
 | 
   646  | 
  | 
| 
 | 
   647  | 
    You should have received a copy of the GNU General Public License
  | 
| 
 | 
   648  | 
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  | 
| 
 | 
   649  | 
  | 
| 
 | 
   650  | 
Also add information on how to contact you by electronic and paper mail.
  | 
| 
 | 
   651  | 
  | 
| 
 | 
   652  | 
  If the program does terminal interaction, make it output a short
  | 
| 
 | 
   653  | 
notice like this when it starts in an interactive mode:
  | 
| 
 | 
   654  | 
  | 
| 
 | 
   655  | 
    <program>  Copyright (C) <year>  <name of author>
  | 
| 
 | 
   656  | 
    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
  | 
| 
 | 
   657  | 
    This is free software, and you are welcome to redistribute it
  | 
| 
 | 
   658  | 
    under certain conditions; type `show c' for details.
  | 
| 
 | 
   659  | 
  | 
| 
 | 
   660  | 
The hypothetical commands `show w' and `show c' should show the appropriate
  | 
| 
 | 
   661  | 
parts of the General Public License.  Of course, your program's commands
  | 
| 
 | 
   662  | 
might be different; for a GUI interface, you would use an "about box".
  | 
| 
 | 
   663  | 
  | 
| 
 | 
   664  | 
  You should also get your employer (if you work as a programmer) or school,
  | 
| 
 | 
   665  | 
if any, to sign a "copyright disclaimer" for the program, if necessary.
  | 
| 
 | 
   666  | 
For more information on this, and how to apply and follow the GNU GPL, see
  | 
| 
 | 
   667  | 
<http://www.gnu.org/licenses/>.
  | 
| 
 | 
   668  | 
  | 
| 
 | 
   669  | 
  The GNU General Public License does not permit incorporating your program
  | 
| 
 | 
   670  | 
into proprietary programs.  If your program is a subroutine library, you
  | 
| 
 | 
   671  | 
may consider it more useful to permit linking proprietary applications with
  | 
| 
 | 
   672  | 
the library.  If this is what you want to do, use the GNU Lesser General
  | 
| 
 | 
   673  | 
Public License instead of this License.  But first, please read
  | 
| 
 | 
   674  | 
<http://www.gnu.org/philosophy/why-not-lgpl.html>.
  |