Copyright for bzrtools source package in Bullseye

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: bzrtools
Upstream-Contact: Aaron Bentley 
Source: http://bazaar-vcs.org/BzrTools.

Files: *
Copyright: 2004-2008 Aaron Bentley 
           2005-2006 Canonical Limited.
           2006 Michael Ellerman
           2007 John Arbash Meinel
License: GPL-2+

Files: debian/*
Copyright: 2005 Jeff Bailey 
           2007 Gustavo Franco 
           2007 Arnaud Fontaine 
           2009 Reinhard Tartler 
           2008-2009 Adeodato Simó 
           2008-2011 Jelmer Vernooij 
           2012 Eric Newberry 
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  package;  if  not, write  to  the Free  Software
 Foundation,  Inc.,  51  Franklin   St,  Fifth  Floor,  Boston,  MA
 02110-1301 USA
 .
 On Debian systems, the complete text of the GNU General Public License
 can be found in /usr/share/common-licenses/GPL-2 file.