Blame Manuals/Docbook/Licenses/Gpl/section-2.docbook

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<section>
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    <title>Terms and Conditions for Copying, Distribution and Modification</title>
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    <para>0. This License applies to any program or other work which
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    contains a notice placed by the copyright holder saying it may be
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    distributed under the terms of this General Public License.  The
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    ``Program'', below, refers to any such program or work, and a
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    ``work based on the Program'' means either the Program or any
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    derivative work under copyright law: that is to say, a work
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    containing the Program or a portion of it, either verbatim or with
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    modifications and/or translated into another language.
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    (Hereinafter, translation is included without limitation in the
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    term ``modification''.)  Each licensee is addressed as
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    ``you''.</para>
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    <para>Activities other than copying, distribution and modification
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    are not covered by this License; they are outside its scope.  The
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    act of running the Program is not restricted, and the output from
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    the Program is covered only if its contents constitute a work
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    based on the Program (independent of having been made by running
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    the Program).  Whether that is true depends on what the Program
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    does.</para>
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    <para>1. You may copy and distribute verbatim copies of the
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    Program's source code as you receive it, in any medium, provided
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    that you conspicuously and appropriately publish on each copy an
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    appropriate copyright notice and disclaimer of warranty; keep
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    intact all the notices that refer to this License and to the
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    absence of any warranty; and give any other recipients of the
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    Program a copy of this License along with the Program.</para>
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    <para>You may charge a fee for the physical act of transferring a
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    copy, and you may at your option offer warranty protection in
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    exchange for a fee.</para>
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    <para>2. You may modify your copy or copies of the Program or any
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    portion of it, thus forming a work based on the Program, and copy
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    and distribute such modifications or work under the terms of
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    Section 1 above, provided that you also meet all of these
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    conditions:</para>
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    <para>a) You must cause the modified files to carry prominent
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    notices stating that you changed the files and the date of any
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    change.</para>
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    <para>b) You must cause any work that you distribute or publish,
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    that in whole or in part contains or is derived from the Program
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    or any part thereof, to be licensed as a whole at no charge to all
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    third parties under the terms of this License.</para>
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    <para>c) If the modified program normally reads commands
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    interactively when run, you must cause it, when started running
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    for such interactive use in the most ordinary way, to print or
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    display an announcement including an appropriate copyright notice
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    and a notice that there is no warranty (or else, saying that you
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    provide a warranty) and that users may redistribute the program
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    under these conditions, and telling the user how to view a copy of
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    this License.  (Exception: if the Program itself is interactive
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    but does not normally print such an announcement, your work based
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    on the Program is not required to print an announcement.)</para>
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    <para>These requirements apply to the modified work as a whole.
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    If identifiable sections of that work are not derived from the
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    Program, and can be reasonably considered independent and separate
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    works in themselves, then this License, and its terms, do not
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    apply to those sections when you distribute them as separate
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    works.  But when you distribute the same sections as part of a
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    whole which is a work based on the Program, the distribution of
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    the whole must be on the terms of this License, whose permissions
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    for other licensees extend to the entire whole, and thus to each
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    and every part regardless of who wrote it.</para>
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    <para>Thus, it is not the intent of this section to claim rights
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    or contest your rights to work written entirely by you; rather,
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    the intent is to exercise the right to control the distribution of
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    derivative or collective works based on the Program.</para>
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    <para>In addition, mere aggregation of another work not based on
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    the Program with the Program (or with a work based on the Program)
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    on a volume of a storage or distribution medium does not bring the
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    other work under the scope of this License.</para>
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    <para>3. You may copy and distribute the Program (or a work based
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    on it, under Section 2) in object code or executable form under
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    the terms of Sections 1 and 2 above provided that you also do one
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    of the following:</para>
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    <para>a) Accompany it with the complete corresponding
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    machine-readable source code, which must be distributed under the
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    terms of Sections 1 and 2 above on a medium customarily used for
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    software interchange; or,</para>
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    <para>b) Accompany it with a written offer, valid for at least
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    three years, to give any third party, for a charge no more than
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    your 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,</para>
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    <para>c) Accompany it with the information you received as to the
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    offer to distribute corresponding source code.  (This alternative
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    is 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.)</para>
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    <para>The source code for a work means the preferred form of the
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    work for making modifications to it.  For an executable work,
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    complete source code means all the source code for all modules it
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    contains, plus any associated interface definition files, plus the
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    scripts used to control compilation and installation of the
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    executable.  However, as a special exception, the source code
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    distributed need not include anything that is normally distributed
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    (in either source or binary form) with the major components
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    (compiler, kernel, and so on) of the operating system on which the
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    executable runs, unless that component itself accompanies the
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    executable.</para>
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    <para>If distribution of executable or object code is made by
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    offering access to copy from a designated place, then offering
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    equivalent access to copy the source code from the same place
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    counts as distribution of the source code, even though third
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    parties are not compelled to copy the source along with the object
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    code.</para>
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    <para>4. You may not copy, modify, sublicense, or distribute the
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    Program except as expressly provided under this License.  Any
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    attempt otherwise to copy, modify, sublicense or distribute the
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    Program is void, and will automatically terminate your rights
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    under this License.  However, parties who have received copies, or
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    rights, from you under this License will not have their licenses
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    terminated so long as such parties remain in full
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    compliance.</para>
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    <para>5. You are not required to accept this License, since you
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    have not signed it.  However, nothing else grants you permission
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    to modify or distribute the Program or its derivative works.
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    These actions are prohibited by law if you do not accept this
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    License.  Therefore, by modifying or distributing the Program (or
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    any work based on the Program), you indicate your acceptance of
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    this License to do so, and all its terms and conditions for
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    copying, distributing or modifying the Program or works based on
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    it.</para>
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    <para>6. Each time you redistribute the Program (or any work based
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    on the Program), the recipient automatically receives a license
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    from the original licensor to copy, distribute or modify the
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    Program subject to these terms and conditions.  You may not impose
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    any further restrictions on the recipients' exercise of the rights
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    granted herein.  You are not responsible for enforcing compliance
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    by third parties to this License.</para>
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    <para>7. If, as a consequence of a court judgment or allegation of
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    patent infringement or for any other reason (not limited to patent
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    issues), conditions are imposed on you (whether by court order,
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    agreement or otherwise) that contradict the conditions of this
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    License, they do not excuse you from the conditions of this
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    License.  If you cannot distribute so as to satisfy simultaneously
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    your obligations under this License and any other pertinent
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    obligations, then as a consequence you may not distribute the
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    Program at all.  For example, if a patent license would not permit
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    royalty-free redistribution of the Program by all those who
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    receive copies directly or indirectly through you, then the only
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    way you could satisfy both it and this License would be to refrain
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    entirely from distribution of the Program.</para>
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    <para>If any portion of this section is held invalid or
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    unenforceable under any particular circumstance, the balance of
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    the section is intended to apply and the section as a whole is
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    intended to apply in other circumstances.</para>
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    <para>It is not the purpose of this section to induce you to
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    infringe any patents or other property right claims or to contest
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    validity of any such claims; this section has the sole purpose of
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    protecting the integrity of the free software distribution system,
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    which is implemented by public license practices.  Many people
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    have made generous contributions to the wide range of software
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    distributed through that system in reliance on consistent
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    application of that system; it is up to the author/donor to decide
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    if he or she is willing to distribute software through any other
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    system and a licensee cannot impose that choice.</para>
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    <para>This section is intended to make thoroughly clear what is
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    believed to be a consequence of the rest of this License.</para>
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    <para>8. If the distribution and/or use of the Program is
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    restricted in certain countries either by patents or by
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    copyrighted interfaces, the original copyright holder who places
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    the Program under this License may add an explicit geographical
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    distribution limitation excluding those countries, so that
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    distribution is permitted only in or among countries not thus
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    excluded.  In such case, this License incorporates the limitation
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    as if written in the body of this License.</para>
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    <para>9. The Free Software Foundation may publish revised and/or
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    new versions of the General Public License from time to time.
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    Such new versions will be similar in spirit to the present
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    version, but may differ in detail to address new problems or
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    concerns.</para>
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    <para>Each version is given a distinguishing version number.  If
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    the Program specifies a version number of this License which
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    applies to it and ``any later version'', you have the option of
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    following the terms and conditions either of that version or of
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    any later version published by the Free Software Foundation.  If
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    the Program does not specify a version number of this License, you
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    may choose any version ever published by the Free Software
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    Foundation.</para>
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    <para>10. If you wish to incorporate parts of the Program into
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    other free programs whose distribution conditions are different,
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    write to the author to ask for permission.  For software which is
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    copyrighted by the Free Software Foundation, write to the Free
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    Software Foundation; we sometimes make exceptions for this.  Our
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    decision will be guided by the two goals of preserving the free
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    status of all derivatives of our free software and of promoting
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    the sharing and reuse of software generally.</para>
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    <para><emphasis>NO WARRANTY</emphasis></para>
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    <para>11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS
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    NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE
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    LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
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    HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM ``AS IS'' WITHOUT
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    WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT
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    NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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    FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS TO THE
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    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
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    SERVICING, REPAIR OR CORRECTION.</para>
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    <para>12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED
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    TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO
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    MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE
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    LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL,
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    INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR
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    INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
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    DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU
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    OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY
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    OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN
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    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.</para>
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    <para><emphasis>End of Terms and Conditions.</emphasis></para>
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</section>