+
+
+========================================================================
+
+Copyright (C) 1999, 2001, 2006, 2009-2016 Free Software Foundation, Inc.
+Copyright (C) 1992, 1993 Jean-loup Gailly
+
+Permission is granted to copy, distribute and/or modify this document
+under the terms of the GNU Free Documentation License, Version 1.3 or
+any later version published by the Free Software Foundation; with no
+Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
+Texts. A copy of the license is included in the ``GNU Free
+Documentation License'' file as part of this distribution.