Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ Upstream-Name: ferret Source: http://ftp.gnu.org/gnu/ferret Comment: this software was named GerWin but it changed to GNU Ferret as you can see: http://www.nongnu.org/gerwin/project/what.html Files: * Copyright: 2003 Jose E. Marchesi License: GPL-2+ Files: widgets/tablelist/* Copyright: 2000-2002 Csaba Nemethi License: Special Comment: in upstream code there is no indication what is the license used. So, after some research on the internet, i found these files belong to tklib from TCL/TK project as you can see here: https://github.com/tcltk/tklib/tree/master/modules/tablelist. Searching for the same version from 2002 i found this version 0.4 from 2005. https://sourceforge.net/projects/tcllib/files/tklib/0.4 Files: debian/* Copyright: 2005 Jorge Bernal 2006 Fernando Ike de Oliveira 2013 Frank Lichtenheld 2014 Sergei Golovan 2016 Paulo Henrique de Lima Santana (phls) License: GPL-2+ License: GPL-2+ This package 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 2 of the License, or (at your option) any later version. . This package 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. . You should have received a copy of the GNU General Public License along with this program. If not, see . On Debian systems, the complete text of the GNU General Public License version 2 can be found in "/usr/share/common-licenses/GPL-2". License: Special This library is free software; you can use, modify, and redistribute it for any purpose, provided that existing copyright notices are retained in all copies and that this notice is included verbatim in any distributions. . This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.