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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with no invariant Sections, no Front-Cover Texts and Back-Cover Text: "Original was published in www.yenicag.com.cy and the author(s) and/or organization(s) bear responsibility for the original version only."
A copy of the license is included in the section entitled "GNU Free Documentation License"...  What is Copyleft?

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