Copyright for mtools source package in Yangtze V1.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Contact: Alain Knaff 
Upstream-Name: mtools
Source: https://ftp.gnu.org/gnu/mtools/

Files: *
Copyright:
 © 1994—2018 Alain Knaff 
 © 1994, 2002 David C. Niemi 
 © 1994, 2002 Emmet P. Gray
 © 1999 Peter Schlaile
 © 2007 Free Software Foundation
License: GPL-3

Files: scripts/amuFormat.sh
Copyright:
 © 2004 Feuz Stefan.
 © 2007 Adam Tkac
License: GPL-3

Files: scripts/download
Copyright: © 1996 Carlos Duarte
License: GPL-3

Files:
 scripts/add-disk
 scripts/format.dat
Copyright: © 1997 Tim Hoogasian 
License: GPL-3

Files:
 *.1
 *.info
Copyright:
 © 2000 Robert A.R. King
 © 2003 Luis Bustamante
 © 2003—2018 Stefan Feuz, Lukas Meyer, Thomas Locher
License: GFDL-1.1

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

License: GFDL-1.1
 This package is free software; you can redistribute it and/or modify
 it under the terms of the GNU Free Documentation License as published by
 the Free Software Foundation (version 1.1).
 .
 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 Free Documentation License for more details.
 .
 You should have received a copy of the GNU Free Documentation License
 along with this program. If not, see 
 .
 On Debian systems, the complete text of the GNU Free Documentation License
 can be found in "/usr/share/common-licenses/GFDL-1.1".