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>IV. REQUIREMENTS ON MODIFIED WORKS</A
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> All modified versions of documents covered by this license, including
translations, anthologies, compilations and partial documents, must meet
the following requirements:
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> The modified version must be labeled as such.
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> The person making the modifications must be identified and the
modifications dated.
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> Acknowledgement of the original author and publisher if applicable must
be retained according to normal academic citation practices.
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> The location of the original unmodified document must be identified.
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> The original author's (or authors') name(s) may not be used to assert
or imply endorsement of the resulting document without the original
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