Copyright for tree source package in Yangtze V1.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: tree
Upstream-Contact: Steve Baker 
Source: http://mama.indstate.edu/users/ice/tree/

Files: *
Copyright: 1996-2022, Steve Baker (ice@mama.indstate.edu)
License: GPL-2+

Files: tree.c
Copyright: 1996-2022, Steve Baker (ice@mama.indstate.edu)
  1996-2022, Steve Baker, Thomas Moore, Francesc Rocher, Florian Sesser, Kyosuke Tokoro
License: GPL-2+

Files: strverscmp.c
Copyright: 1997, 2002, 2005, Free Software Foundation, Inc.
License: LGPL-2.1+

Files: debian/*
Copyright: 2004-2022, Florian Ernst 
License: GPL-2+

License: GPL-2+
  On Debian systems the full text of the GPL-2 can be found in
  /usr/share/common-licenses/GPL-2

License: LGPL-2.1+
  On Debian systems the full text of the LGPL-2.1 can be found in
  /usr/share/common-licenses/LGPL-2.1