Copyright for direvent source package in Bionic

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: direvent
Source: http://www.gnu.org.ua/software/direvent

Files: *
Copyright: 2012-2014 Sergey Poznyakoff 
License: GPL-3+

Files: debian/*
Copyright: 2014-2016 Alejandro Garrido Mota 
License: GPL-3+

Files: doc/*.info doc/*.texi
Copyright: 1992-1996, 1998-2012 Free Software Foundation, Inc.
License: GFDL-1.3+
 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, no Front-Cover texts, and
 no Back-Cover Texts.  A copy of the license is included in the
 section entitled "GNU Free Documentation License."
 .
 The GNU Free Documentation License Version 1.3 may be found on Debian
 systems in /usr/share/common-licenses/GFDL-1.3.

License: GPL-3+
 This program 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.
 .
 On Debian systems, the complete text of the GNU General Public License
 version 3 can be found in `/usr/share/common-licenses/GPL-3'.