Copyright for ipe source package in Bionic

This package was debianized by Pascal Hakim  on
Mon, 31 Mar 2003 23:58:33 +1000.

It was downloaded from: http://ipe.compgeom.org/ 
Current site: http://tclab.kaist.ac.kr/ipe/

Copyright (C) 1993-2013 Otfried Cheong
Copyright (C) 2003 Kepler Project

Ipe is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.

As a special exception, you have permission to link Ipe with the
CGAL library and distribute executables, as long as you follow the
requirements of the Gnu General Public License in regard to all of
the software in the executable aside from CGAL.

Ipe is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
License for more details.

Version 3 of the GPL may be found in /usr/share/common-licenses/GPL-3

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Ipe uses the Zlib library by Jean-loup Gailly and Mark Adler
(www.gzip.org/zlib), the Freetype~2 library by David Turner, Robert
Wilhelm, and Werner Lemberg (www.freetype.org), as well as some code
from Xpdf by Derek B. Noonburg (www.foolabs.com/xpdf) and pdfTeX by
Han The Thanh .

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Xpdf is icensed under the GNU General Public License (GPL), version 2 and 3.

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pdfTeX is licensed under the GNU General Public License (GPL) either version 2
of the License, or (at your option) any later version.