COPYING
author S.D.
Tue, 27 Sep 2022 14:59:03 +0300
changeset 15900 fc3cb23fd26f
parent 10108 c68cf030eded
permissions -rw-r--r--
Allow to see rooms of incompatible versions in the lobby For the new clients the room version is shown in a separate column. There is also a hack for previous versions clients: the room vesion specifier is prepended to the room names for rooms of incompatible versions, and the server shows 'incompatible version' error if the client tries to join them.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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                GNU GENERAL PUBLIC LICENSE
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                   Version 2, June 1991
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 Copyright (C) 1989, 1991 Free Software Foundation, Inc.
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 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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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 licenses for most software are designed to take away your
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freedom to share and change it.  By contrast, the GNU General Public
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License is intended to guarantee your freedom to share and change free
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software--to make sure the software is free for all its users.  This
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General Public License applies to most of the Free Software
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Foundation's software and to any other program whose authors commit to
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using it.  (Some other Free Software Foundation software is covered by
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the GNU Library General Public License instead.)  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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this service if you wish), that you receive source code or can get it
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if you want it, that you can change the software or use pieces of it
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in new free programs; and that you know you can do these things.
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  To protect your rights, we need to make restrictions that forbid
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anyone to deny you these rights or to ask you to surrender the rights.
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These restrictions translate to certain responsibilities for you if you
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distribute copies of the software, or if you modify it.
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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 give the recipients all the rights that
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you have.  You must make sure that they, too, receive or can get the
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source code.  And you must show them these terms so they know their
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rights.
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  We protect your rights with two steps: (1) copyright the software, and
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(2) offer you this license which gives you legal permission to copy,
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distribute and/or modify the software.
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  Also, for each author's protection and ours, we want to make certain
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that everyone understands that there is no warranty for this free
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software.  If the software is modified by someone else and passed on, we
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want its recipients to know that what they have is not the original, so
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that any problems introduced by others will not reflect on the original
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authors' reputations.
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  Finally, any free program is threatened constantly by software
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patents.  We wish to avoid the danger that redistributors of a free
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program will individually obtain patent licenses, in effect making the
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program proprietary.  To prevent this, we have made it clear that any
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patent must be licensed for everyone's free use or not licensed at all.
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  The precise terms and conditions for copying, distribution and
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modification follow.
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      GNU GENERAL PUBLIC LICENSE
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   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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  0. This License applies to any program or other work which contains
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a notice placed by the copyright holder saying it may be distributed
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under the terms of this General Public License.  The "Program", below,
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refers to any such program or work, and a "work based on the Program"
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means either the Program or any derivative work under copyright law:
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that is to say, a work containing the Program or a portion of it,
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either verbatim or with modifications and/or translated into another
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language.  (Hereinafter, translation is included without limitation in
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the term "modification".)  Each licensee is addressed as "you".
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Activities other than copying, distribution and modification are not
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covered by this License; they are outside its scope.  The act of
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running the Program is not restricted, and the output from the Program
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is covered only if its contents constitute a work based on the
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Program (independent of having been made by running the Program).
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Whether that is true depends on what the Program does.
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  1. You may copy and distribute verbatim copies of the Program's
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source code as you receive it, in any medium, provided that you
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conspicuously and appropriately publish on each copy an appropriate
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copyright notice and disclaimer of warranty; keep intact all the
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notices that refer to this License and to the absence of any warranty;
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and give any other recipients of the Program a copy of this License
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along with the Program.
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You may charge a fee for the physical act of transferring a copy, and
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you may at your option offer warranty protection in exchange for a fee.
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  2. You may modify your copy or copies of the Program or any portion
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of it, thus forming a work based on the Program, and copy and
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distribute such modifications or work under the terms of Section 1
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above, provided that you also meet all of these conditions:
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    a) You must cause the modified files to carry prominent notices
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    stating that you changed the files and the date of any change.
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    b) You must cause any work that you distribute or publish, that in
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    whole or in part contains or is derived from the Program or any
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    part thereof, to be licensed as a whole at no charge to all third
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    parties under the terms of this License.
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    c) If the modified program normally reads commands interactively
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    when run, you must cause it, when started running for such
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    interactive use in the most ordinary way, to print or display an
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    announcement including an appropriate copyright notice and a
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    notice that there is no warranty (or else, saying that you provide
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    a warranty) and that users may redistribute the program under
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    these conditions, and telling the user how to view a copy of this
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    License.  (Exception: if the Program itself is interactive but
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    does not normally print such an announcement, your work based on
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    the Program is not required to print an announcement.)
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These requirements apply to the modified work as a whole.  If
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identifiable sections of that work are not derived from the Program,
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and can be reasonably considered independent and separate works in
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themselves, then this License, and its terms, do not apply to those
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sections when you distribute them as separate works.  But when you
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distribute the same sections as part of a whole which is a work based
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on the Program, the distribution of the whole must be on the terms of
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this License, whose permissions for other licensees extend to the
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entire whole, and thus to each and every part regardless of who wrote it.
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Thus, it is not the intent of this section to claim rights or contest
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your rights to work written entirely by you; rather, the intent is to
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exercise the right to control the distribution of derivative or
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collective works based on the Program.
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In addition, mere aggregation of another work not based on the Program
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with the Program (or with a work based on the Program) on a volume of
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a storage or distribution medium does not bring the other work under
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the scope of this License.
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  3. You may copy and distribute the Program (or a work based on it,
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under Section 2) in object code or executable form under the terms of
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Sections 1 and 2 above provided that you also do one of the following:
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    a) Accompany it with the complete corresponding machine-readable
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    source code, which must be distributed under the terms of Sections
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    1 and 2 above on a medium customarily used for software interchange; or,
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    b) Accompany it with a written offer, valid for at least three
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    years, to give any third party, for a charge no more than your
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    cost of physically performing source distribution, a complete
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    machine-readable copy of the corresponding source code, to be
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    distributed under the terms of Sections 1 and 2 above on a medium
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    customarily used for software interchange; or,
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    c) Accompany it with the information you received as to the offer
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    to distribute corresponding source code.  (This alternative is
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    allowed only for noncommercial distribution and only if you
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    received the program in object code or executable form with such
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    an offer, in accord with Subsection b above.)
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The source code for a work means the preferred form of the work for
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making modifications to it.  For an executable work, complete source
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code means all the source code for all modules it contains, plus any
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associated interface definition files, plus the scripts used to
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control compilation and installation of the executable.  However, as a
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special exception, the source code distributed need not include
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anything that is normally distributed (in either source or binary
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form) with the major components (compiler, kernel, and so on) of the
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operating system on which the executable runs, unless that component
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itself accompanies the executable.
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If distribution of executable or object code is made by offering
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access to copy from a designated place, then offering equivalent
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access to copy the source code from the same place counts as
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distribution of the source code, even though third parties are not
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compelled to copy the source along with the object code.
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  4. You may not copy, modify, sublicense, or distribute the Program
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except as expressly provided under this License.  Any attempt
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otherwise to copy, modify, sublicense or distribute the Program is
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void, and will automatically terminate your rights under this License.
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However, parties who have received copies, or rights, from you under
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this License will not have their licenses terminated so long as such
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parties remain in full compliance.
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  5. You are not required to accept this License, since you have not
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signed it.  However, nothing else grants you permission to modify or
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distribute the Program or its derivative works.  These actions are
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prohibited by law if you do not accept this License.  Therefore, by
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modifying or distributing the Program (or any work based on the
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Program), you indicate your acceptance of this License to do so, and
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all its terms and conditions for copying, distributing or modifying
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the Program or works based on it.
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  6. Each time you redistribute the Program (or any work based on the
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Program), the recipient automatically receives a license from the
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original licensor to copy, distribute or modify the Program subject to
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these terms and conditions.  You may not impose any further
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restrictions on the recipients' exercise of the rights granted herein.
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You are not responsible for enforcing compliance by third parties to
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this License.
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  7. If, as a consequence of a court judgment or allegation of patent
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infringement or for any other reason (not limited to patent issues),
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conditions are imposed on you (whether by court order, agreement or
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otherwise) that contradict the conditions of this License, they do not
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excuse you from the conditions of this License.  If you cannot
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distribute so as to satisfy simultaneously your obligations under this
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License and any other pertinent obligations, then as a consequence you
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may not distribute the Program at all.  For example, if a patent
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license would not permit royalty-free redistribution of the Program by
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all those who receive copies directly or indirectly through you, then
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the only way you could satisfy both it and this License would be to
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refrain entirely from distribution of the Program.
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If any portion of this section is held invalid or unenforceable under
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any particular circumstance, the balance of the section is intended to
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apply and the section as a whole is intended to apply in other
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circumstances.
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It is not the purpose of this section to induce you to infringe any
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patents or other property right claims or to contest validity of any
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such claims; this section has the sole purpose of protecting the
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integrity of the free software distribution system, which is
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implemented by public license practices.  Many people have made
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generous contributions to the wide range of software distributed
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through that system in reliance on consistent application of that
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system; it is up to the author/donor to decide if he or she is willing
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to distribute software through any other system and a licensee cannot
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impose that choice.
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This section is intended to make thoroughly clear what is believed to
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be a consequence of the rest of this License.
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  8. If the distribution and/or use of the Program is restricted in
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certain countries either by patents or by copyrighted interfaces, the
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original copyright holder who places the Program under this License
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may add an explicit geographical distribution limitation excluding
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those countries, so that distribution is permitted only in or among
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countries not thus excluded.  In such case, this License incorporates
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the limitation as if written in the body of this License.
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  9. The Free Software Foundation may publish revised and/or new versions
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of the General Public License from time to time.  Such new versions will
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be similar in spirit to the present version, but may differ in detail to
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address new problems or concerns.
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Each version is given a distinguishing version number.  If the Program
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specifies a version number of this License which applies to it and "any
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later version", you have the option of following the terms and conditions
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either of that version or of any later version published by the Free
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Software Foundation.  If the Program does not specify a version number of
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this License, you may choose any version ever published by the Free Software
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Foundation.
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  10. If you wish to incorporate parts of the Program into other free
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programs whose distribution conditions are different, write to the author
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to ask for permission.  For software which is copyrighted by the Free
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Software Foundation, write to the Free Software Foundation; we sometimes
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make exceptions for this.  Our decision will be guided by the two goals
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of preserving the free status of all derivatives of our free software and
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of promoting the sharing and reuse of software generally.
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       NO WARRANTY
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  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
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FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
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OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
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PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
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OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
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TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
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PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
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REPAIR OR CORRECTION.
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  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
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REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
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INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
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OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
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TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
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YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
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PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGES.
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       END OF TERMS AND CONDITIONS
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     How to Apply These Terms to Your New Programs
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  If you develop a new program, and you want it to be of the greatest
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possible use to the public, the best way to achieve this is to make it
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free software which everyone can redistribute and change under these terms.
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  To do so, attach the following notices to the program.  It is safest
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to attach them to the start of each source file to most effectively
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convey the exclusion of warranty; and each file should have at least
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the "copyright" line and a pointer to where the full notice is found.
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    <one line to give the program's name and a brief idea of what it does.>
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    Copyright (C) <year>  <name of author>
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    This program is free software; you can redistribute it and/or modify
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    it under the terms of the GNU General Public License as published by
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    the Free Software Foundation; either version 2 of the License, or
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    (at your option) any later version.
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    This program is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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    GNU General Public License for more details.
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    You should have received a copy of the GNU General Public License
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    along with this program; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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Also add information on how to contact you by electronic and paper mail.
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If the program is interactive, make it output a short notice like this
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when it starts in an interactive mode:
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    Gnomovision version 69, Copyright (C) year  name of author
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    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
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    This is free software, and you are welcome to redistribute it
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    under certain conditions; type `show c' for details.
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The hypothetical commands `show w' and `show c' should show the appropriate
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parts of the General Public License.  Of course, the commands you use may
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be called something other than `show w' and `show c'; they could even be
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mouse-clicks or menu items--whatever suits your program.
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You should also get your employer (if you work as a programmer) or your
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school, if any, to sign a "copyright disclaimer" for the program, if
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necessary.  Here is a sample; alter the names:
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  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
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  `Gnomovision' (which makes passes at compilers) written by James Hacker.
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  <signature of Ty Coon>, 1 April 1989
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  Ty Coon, President of Vice
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This General Public License does not permit incorporating your program into
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proprietary programs.  If your program is a subroutine library, you may
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consider it more useful to permit linking proprietary applications with the
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library.  If this is what you want to do, use the GNU Library General
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Public License instead of this License.
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                GNU Free Documentation License
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                  Version 1.2, November 2002
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  Copyright (C) 2000,2001,2002  Free Software Foundation, Inc.
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  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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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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0. PREAMBLE
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The purpose of this License is to make a manual, textbook, or other functional
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   355
and useful document "free" in the sense of freedom: to assure everyone the
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   356
effective freedom to copy and redistribute it, with or without modifying it,
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   357
either commercially or noncommercially. Secondarily, this License preserves for
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   358
the author and publisher a way to get credit for their work, while not being
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   359
considered responsible for modifications made by others.
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   360
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   361
This License is a kind of "copyleft", which means that derivative works of the
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   362
document must themselves be free in the same sense. It complements the GNU
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   363
General Public License, which is a copyleft license designed for free software.
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   364
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   365
We have designed this License in order to use it for manuals for free software,
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   366
because free software needs free documentation: a free program should come with
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   367
manuals providing the same freedoms that the software does. But this License is
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   368
not limited to software manuals; it can be used for any textual work,
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   369
regardless of subject matter or whether it is published as a printed book. We
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   370
recommend this License principally for works whose purpose is instruction or
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   371
reference.
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   373
1. APPLICABILITY AND DEFINITIONS
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   374
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   375
This License applies to any manual or other work, in any medium, that contains
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   376
a notice placed by the copyright holder saying it can be distributed under the
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   377
terms of this License. Such a notice grants a world-wide, royalty-free license,
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   378
unlimited in duration, to use that work under the conditions stated herein. The
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   379
"Document", below, refers to any such manual or work. Any member of the public
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   380
is a licensee, and is addressed as "you". You accept the license if you copy,
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   381
modify or distribute the work in a way requiring permission under copyright
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   382
law.
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   383
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   384
A "Modified Version" of the Document means any work containing the Document or
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   385
a portion of it, either copied verbatim, or with modifications and/or
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   386
translated into another language.
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   387
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   388
A "Secondary Section" is a named appendix or a front-matter section of the
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   389
Document that deals exclusively with the relationship of the publishers or
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   390
authors of the Document to the Document's overall subject (or to related
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diff changeset
   391
matters) and contains nothing that could fall directly within that overall
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   392
subject. (Thus, if the Document is in part a textbook of mathematics, a
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   393
Secondary Section may not explain any mathematics.) The relationship could be a
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   394
matter of historical connection with the subject or with related matters, or of
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   395
legal, commercial, philosophical, ethical or political position regarding them.
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   396
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   397
The "Invariant Sections" are certain Secondary Sections whose titles are
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   398
designated, as being those of Invariant Sections, in the notice that says that
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   399
the Document is released under this License. If a section does not fit the
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   400
above definition of Secondary then it is not allowed to be designated as
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   401
Invariant. The Document may contain zero Invariant Sections. If the Document
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   402
does not identify any Invariant Sections then there are none.
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diff changeset
   403
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diff changeset
   404
The "Cover Texts" are certain short passages of text that are listed, as
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diff changeset
   405
Front-Cover Texts or Back-Cover Texts, in the notice that says that the
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diff changeset
   406
Document is released under this License. A Front-Cover Text may be at most 5
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   407
words, and a Back-Cover Text may be at most 25 words.
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diff changeset
   408
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   409
A "Transparent" copy of the Document means a machine-readable copy, represented
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   410
in a format whose specification is available to the general public, that is
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   411
suitable for revising the document straightforwardly with generic text editors
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parents: 456
diff changeset
   412
or (for images composed of pixels) generic paint programs or (for drawings)
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parents: 456
diff changeset
   413
some widely available drawing editor, and that is suitable for input to text
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parents: 456
diff changeset
   414
formatters or for automatic translation to a variety of formats suitable for
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parents: 456
diff changeset
   415
input to text formatters. A copy made in an otherwise Transparent file format
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   416
whose markup, or absence of markup, has been arranged to thwart or discourage
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   417
subsequent modification by readers is not Transparent. An image format is not
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   418
Transparent if used for any substantial amount of text. A copy that is not
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   419
"Transparent" is called "Opaque".
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diff changeset
   420
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   421
Examples of suitable formats for Transparent copies include plain ASCII without
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diff changeset
   422
markup, Texinfo input format, LaTeX input format, SGML or XML using a publicly
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parents: 456
diff changeset
   423
available DTD, and standard-conforming simple HTML, PostScript or PDF designed
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diff changeset
   424
for human modification. Examples of transparent image formats include PNG, XCF
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diff changeset
   425
and JPG. Opaque formats include proprietary formats that can be read and edited
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parents: 456
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   426
only by proprietary word processors, SGML or XML for which the DTD and/or
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parents: 456
diff changeset
   427
processing tools are not generally available, and the machine-generated HTML,
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   428
PostScript or PDF produced by some word processors for output purposes only.
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diff changeset
   429
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   430
The "Title Page" means, for a printed book, the title page itself, plus such
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diff changeset
   431
following pages as are needed to hold, legibly, the material this License
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   432
requires to appear in the title page. For works in formats which do not have
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   433
any title page as such, "Title Page" means the text near the most prominent
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   434
appearance of the work's title, preceding the beginning of the body of the text.
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diff changeset
   435
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   436
A section "Entitled XYZ" means a named subunit of the Document whose title
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   437
either is precisely XYZ or contains XYZ in parentheses following text that
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   438
translates XYZ in another language. (Here XYZ stands for a specific section
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diff changeset
   439
name mentioned below, such as "Acknowledgements", "Dedications",
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   440
"Endorsements", or "History".) To "Preserve the Title" of such a section when
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   441
you modify the Document means that it remains a section "Entitled XYZ"
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   442
according to this definition.
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diff changeset
   443
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   444
The Document may include Warranty Disclaimers next to the notice which states
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   445
that this License applies to the Document. These Warranty Disclaimers are
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   446
considered to be included by reference in this License, but only as regards
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diff changeset
   447
disclaiming warranties: any other implication that these Warranty Disclaimers
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   448
may have is void and has no effect on the meaning of this License.
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diff changeset
   449
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   450
2. VERBATIM COPYING
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diff changeset
   451
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diff changeset
   452
You may copy and distribute the Document in any medium, either commercially or
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parents: 456
diff changeset
   453
noncommercially, provided that this License, the copyright notices, and the
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parents: 456
diff changeset
   454
license notice saying this License applies to the Document are reproduced in
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parents: 456
diff changeset
   455
all copies, and that you add no other conditions whatsoever to those of this
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parents: 456
diff changeset
   456
License. You may not use technical measures to obstruct or control the reading
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parents: 456
diff changeset
   457
or further copying of the copies you make or distribute. However, you may
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diff changeset
   458
accept compensation in exchange for copies. If you distribute a large enough
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   459
number of copies you must also follow the conditions in section 3.
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diff changeset
   460
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   461
You may also lend copies, under the same conditions stated above, and you may
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diff changeset
   462
publicly display copies.
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   463
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   464
3. COPYING IN QUANTITY
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diff changeset
   465
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diff changeset
   466
If you publish printed copies (or copies in media that commonly have printed
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parents: 456
diff changeset
   467
covers) of the Document, numbering more than 100, and the Document's license
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parents: 456
diff changeset
   468
notice requires Cover Texts, you must enclose the copies in covers that carry,
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diff changeset
   469
clearly and legibly, all these Cover Texts: Front-Cover Texts on the front
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diff changeset
   470
cover, and Back-Cover Texts on the back cover. Both covers must also clearly
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diff changeset
   471
and legibly identify you as the publisher of these copies. The front cover must
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diff changeset
   472
present the full title with all words of the title equally prominent and
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diff changeset
   473
visible. You may add other material on the covers in addition. Copying with
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diff changeset
   474
changes limited to the covers, as long as they preserve the title of the
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diff changeset
   475
Document and satisfy these conditions, can be treated as verbatim copying in
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diff changeset
   476
other respects.
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diff changeset
   477
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diff changeset
   478
If the required texts for either cover are too voluminous to fit legibly, you
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diff changeset
   479
should put the first ones listed (as many as fit reasonably) on the actual
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   480
cover, and continue the rest onto adjacent pages.
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diff changeset
   481
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   482
If you publish or distribute Opaque copies of the Document numbering more than
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diff changeset
   483
100, you must either include a machine-readable Transparent copy along with each
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diff changeset
   484
Opaque copy, or state in or with each Opaque copy a computer-network location
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diff changeset
   485
from which the general network-using public has access to download using
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diff changeset
   486
public-standard network protocols a complete Transparent copy of the Document,
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diff changeset
   487
free of added material. If you use the latter option, you must take reasonably
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diff changeset
   488
prudent steps, when you begin distribution of Opaque copies in quantity, to
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diff changeset
   489
ensure that this Transparent copy will remain thus accessible at the stated
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diff changeset
   490
location until at least one year after the last time you distribute an Opaque
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diff changeset
   491
copy (directly or through your agents or retailers) of that edition to the
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diff changeset
   492
public.
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diff changeset
   493
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   494
It is requested, but not required, that you contact the authors of the Document
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diff changeset
   495
well before redistributing any large number of copies, to give them a chance to
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diff changeset
   496
provide you with an updated version of the Document.
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   497
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   498
4. MODIFICATIONS
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   499
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   500
You may copy and distribute a Modified Version of the Document under the
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diff changeset
   501
conditions of sections 2 and 3 above, provided that you release the Modified
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diff changeset
   502
Version under precisely this License, with the Modified Version filling the role
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diff changeset
   503
of the Document, thus licensing distribution and modification of the Modified
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diff changeset
   504
Version to whoever possesses a copy of it. In addition, you must do these things
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diff changeset
   505
in the Modified Version:
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diff changeset
   506
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diff changeset
   507
    A. Use in the Title Page (and on the covers, if any) a title distinct from
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diff changeset
   508
       that of the Document, and from those of previous versions (which should,
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diff changeset
   509
       if there were any, be listed in the History section of the Document).
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diff changeset
   510
       You may use the same title as a previous version if the original
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diff changeset
   511
       publisher of that version gives permission.
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diff changeset
   512
    B. List on the Title Page, as authors, one or more persons or entities
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diff changeset
   513
       responsible for authorship of the modifications in the Modified Version,
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diff changeset
   514
       together with at least five of the principal authors of the Document
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diff changeset
   515
       (all of its principal authors, if it has fewer than five), unless they
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   516
       release you from this requirement.
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   517
    C. State on the Title page the name of the publisher of the Modified
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diff changeset
   518
       Version, as the publisher.
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diff changeset
   519
    D. Preserve all the copyright notices of the Document.
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diff changeset
   520
    E. Add an appropriate copyright notice for your modifications adjacent to
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diff changeset
   521
       the other copyright notices.
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diff changeset
   522
    F. Include, immediately after the copyright notices, a license notice
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parents: 456
diff changeset
   523
       giving the public permission to use the Modified Version under the terms
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diff changeset
   524
       of this License, in the form shown in the Addendum below.
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diff changeset
   525
    G. Preserve in that license notice the full lists of Invariant Sections and
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diff changeset
   526
       required Cover Texts given in the Document's license notice.
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   527
    H. Include an unaltered copy of this License.
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koda
parents: 456
diff changeset
   528
    I. Preserve the section Entitled "History", Preserve its Title, and add to
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koda
parents: 456
diff changeset
   529
       it an item stating at least the title, year, new authors, and publisher
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   530
       of the Modified Version as given on the Title Page. If there is no
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   531
       section Entitled "History" in the Document, create one stating the
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   532
       title, year, authors, and publisher of the Document as given on its
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   533
       Title Page, then add an item describing the Modified Version as stated
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   534
       in the previous sentence.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   535
    J. Preserve the network location, if any, given in the Document for public
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   536
       access to a Transparent copy of the Document, and likewise the network
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   537
       locations given in the Document for previous versions it was based on.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   538
       These may be placed in the "History" section. You may omit a network
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   539
       location for a work that was published at least four years before the
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   540
       Document itself, or if the original publisher of the version it refers
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koda
parents: 456
diff changeset
   541
       to gives permission.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   542
    K. For any section Entitled "Acknowledgements" or "Dedications", Preserve
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   543
       the Title of the section, and preserve in the section all the substance
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   544
       and tone of each of the contributor acknowledgements and/or dedications
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   545
       given therein.
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koda
parents: 456
diff changeset
   546
    L. Preserve all the Invariant Sections of the Document, unaltered in their
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   547
       text and in their titles. Section numbers or the equivalent are not
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   548
       considered part of the section titles.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   549
    M. Delete any section Entitled "Endorsements". Such a section may not be
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koda
parents: 456
diff changeset
   550
       included in the Modified Version.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   551
    N. Do not retitle any existing section to be Entitled "Endorsements" or to
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   552
       conflict in title with any Invariant Section.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   553
    O. Preserve any Warranty Disclaimers.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   554
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   555
If the Modified Version includes new front-matter sections or appendices that
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   556
qualify as Secondary Sections and contain no material copied from the Document,
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   557
you may at your option designate some or all of these sections as invariant. To
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   558
do this, add their titles to the list of Invariant Sections in the Modified
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   559
Version's license notice. These titles must be distinct from any other section
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koda
parents: 456
diff changeset
   560
titles.
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koda
parents: 456
diff changeset
   561
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   562
You may add a section Entitled "Endorsements", provided it contains nothing but
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   563
endorsements of your Modified Version by various parties--for example,
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   564
statements of peer review or that the text has been approved by an organization
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koda
parents: 456
diff changeset
   565
as the authoritative definition of a standard.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   566
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   567
You may add a passage of up to five words as a Front-Cover Text, and a passage
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   568
of up to 25 words as a Back-Cover Text, to the end of the list of Cover Texts in
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   569
the Modified Version. Only one passage of Front-Cover Text and one of Back-Cover
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   570
Text may be added by (or through arrangements made by) any one entity. If the
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   571
Document already includes a cover text for the same cover, previously added by
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   572
you or by arrangement made by the same entity you are acting on behalf of, you
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   573
may not add another; but you may replace the old one, on explicit permission
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   574
from the previous publisher that added the old one.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   575
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   576
The author(s) and publisher(s) of the Document do not by this License give
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   577
permission to use their names for publicity for or to assert or imply
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   578
endorsement of any Modified Version.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   579
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koda
parents: 456
diff changeset
   580
5. COMBINING DOCUMENTS
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koda
parents: 456
diff changeset
   581
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   582
You may combine the Document with other documents released under this License,
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   583
under the terms defined in section 4 above for modified versions, provided that
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   584
you include in the combination all of the Invariant Sections of all of the
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   585
original documents, unmodified, and list them all as Invariant Sections of your
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   586
combined work in its license notice, and that you preserve all their Warranty
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   587
Disclaimers.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   588
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   589
The combined work need only contain one copy of this License, and multiple
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   590
identical Invariant Sections may be replaced with a single copy. If there are
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   591
multiple Invariant Sections with the same name but different contents, make the
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   592
title of each such section unique by adding at the end of it, in parentheses,
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   593
the name of the original author or publisher of that section if known, or else
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   594
a unique number. Make the same adjustment to the section titles in the list of
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   595
Invariant Sections in the license notice of the combined work.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   596
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   597
In the combination, you must combine any sections Entitled "History" in the
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   598
various original documents, forming one section Entitled "History"; likewise
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   599
combine any sections Entitled "Acknowledgements", and any sections Entitled
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   600
"Dedications". You must delete all sections Entitled "Endorsements."
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   601
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   602
6. COLLECTIONS OF DOCUMENTS
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koda
parents: 456
diff changeset
   603
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   604
You may make a collection consisting of the Document and other documents
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   605
released under this License, and replace the individual copies of this License
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   606
in the various documents with a single copy that is included in the collection,
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   607
provided that you follow the rules of this License for verbatim copying of each
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   608
of the documents in all other respects.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   609
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   610
You may extract a single document from such a collection, and distribute it
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   611
individually under this License, provided you insert a copy of this License into
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   612
the extracted document, and follow this License in all other respects regarding
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   613
verbatim copying of that document.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   614
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   615
7. AGGREGATION WITH INDEPENDENT WORKS
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koda
parents: 456
diff changeset
   616
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   617
A compilation of the Document or its derivatives with other separate and
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   618
independent documents or works, in or on a volume of a storage or distribution
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   619
medium, is called an "aggregate" if the copyright resulting from the compilation
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   620
is not used to limit the legal rights of the compilation's users beyond what the
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   621
individual works permit. When the Document is included in an aggregate, this
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   622
License does not apply to the other works in the aggregate which are not
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   623
themselves derivative works of the Document.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   624
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   625
If the Cover Text requirement of section 3 is applicable to these copies of the
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   626
Document, then if the Document is less than one half of the entire aggregate,
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   627
the Document's Cover Texts may be placed on covers that bracket the Document
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   628
within the aggregate, or the electronic equivalent of covers if the Document is
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   629
in electronic form. Otherwise they must appear on printed covers that bracket
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   630
the whole aggregate.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   631
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koda
parents: 456
diff changeset
   632
8. TRANSLATION
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koda
parents: 456
diff changeset
   633
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   634
Translation is considered a kind of modification, so you may distribute
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   635
translations of the Document under the terms of section 4. Replacing Invariant
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   636
Sections with translations requires special permission from their copyright
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   637
holders, but you may include translations of some or all Invariant Sections in
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   638
addition to the original versions of these Invariant Sections. You may include a
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   639
translation of this License, and all the license notices in the Document, and
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   640
any Warranty Disclaimers, provided that you also include the original English
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   641
version of this License and the original versions of those notices and
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   642
disclaimers. In case of a disagreement between the translation and the original
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   643
version of this License or a notice or disclaimer, the original version will
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   644
prevail.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   645
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   646
If a section in the Document is Entitled "Acknowledgements", "Dedications", or
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   647
"History", the requirement (section 4) to Preserve its Title (section 1) will
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   648
typically require changing the actual title.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   649
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   650
9. TERMINATION
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koda
parents: 456
diff changeset
   651
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   652
You may not copy, modify, sublicense, or distribute the Document except as
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   653
expressly provided for under this License. Any other attempt to copy, modify,
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   654
sublicense or distribute the Document is void, and will automatically terminate
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   655
your rights under this License. However, parties who have received copies, or
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   656
rights, from you under this License will not have their licenses terminated so
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   657
long as such parties remain in full compliance.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   658
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   659
10. FUTURE REVISIONS OF THIS LICENSE
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koda
parents: 456
diff changeset
   660
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   661
The Free Software Foundation may publish new, revised versions of the GNU Free
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   662
Documentation License from time to time. Such new versions will be similar in
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   663
spirit to the present version, but may differ in detail to address new problems
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   664
or concerns. See http://www.gnu.org/copyleft/.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   665
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   666
Each version of the License is given a distinguishing version number. If the
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   667
Document specifies that a particular numbered version of this License "or any
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   668
later version" applies to it, you have the option of following the terms and
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   669
conditions either of that specified version or of any later version that has
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   670
been published (not as a draft) by the Free Software Foundation. If the Document
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   671
does not specify a version number of this License, you may choose any version
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   672
ever published (not as a draft) by the Free Software Foundation.  How to use
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   673
this License for your documents
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   674
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   675
To use this License in a document you have written, include a copy of the
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   676
License in the document and put the following copyright and license notices just
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   677
after the title page:
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koda
parents: 456
diff changeset
   678
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   679
  Copyright (c)  YEAR  YOUR NAME.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   680
  Permission is granted to copy, distribute and/or modify this document
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   681
  under the terms of the GNU Free Documentation License, Version 1.2
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   682
  or any later version published by the Free Software Foundation;
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   683
  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   684
  Texts.  A copy of the license is included in the section entitled "GNU
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   685
  Free Documentation License".
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   686
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   687
If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts, replace
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   688
the "with...Texts." line with this:
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koda
parents: 456
diff changeset
   689
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   690
  with the Invariant Sections being LIST THEIR TITLES, with the
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   691
  Front-Cover Texts being LIST, and with the Back-Cover Texts being LIST.
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koda
parents: 456
diff changeset
   692
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   693
If you have Invariant Sections without Cover Texts, or some other combination of
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   694
the three, merge those two alternatives to suit the situation.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   695
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   696
If your document contains nontrivial examples of program code, we recommend
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   697
releasing these examples in parallel under your choice of free software license,
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   698
such as the GNU General Public License, to permit their use in free software.
c08661d015c0 update README and COPYING
koda
parents: 456
diff changeset
   699