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<section id="licenses-gpl-section-2-2" xreflabel="Section 2">
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<title>Section 2</title>
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<para>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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<orderedlist numeration="loweralpha">
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<listitem>
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<para>You must cause the modified files to carry prominent
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notices stating that you changed the files and the date of
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any change.</para>
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</listitem>
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<listitem>
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<para>You must cause any work that you distribute or
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publish, that in whole or in part contains or is derived
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from the Program or any part thereof, to be licensed as a
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whole at no charge to all third parties under the terms of
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this License.</para>
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</listitem>
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<listitem>
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<para>If the modified program normally reads commands
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interactively when run, you must cause it, when started
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running for such interactive use in the most ordinary way,
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to print or display an announcement including an
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appropriate copyright notice and a notice that there is no
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warranty (or else, saying that you provide a warranty) and
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that users may redistribute the program under these
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conditions, and telling the user how to view a copy of
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this License.
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<note>
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<title>Exception</title>
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<para>
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If the Program itself is interactive but does not
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normally print such an announcement, your work based
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on the Program is not required to print an
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announcement.
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</para>
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</note>
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</para>
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</listitem>
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</orderedlist>
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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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</section>
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