Copyright (c), 2007, CENDITEL.
  Permission is granted to copy, distribute and/or modify this document under
  the terms of the GNU Free Documentation License, Version 1.2 or any later
  version published by the Free Software Foundation; with no Invariant Sections,
  no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is
  included in the section entitled "GNU Free Documentation License".

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