Copyright for lacheck source package in Focal

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: LaCheck
Source: http://www.ctan.org/tex-archive/support/lacheck/

Files: * 
Copyright: 1991, 1992 Kresten Krab Thorup
  1993, 1994 Per Abrahamsen
License: GPL-1+

Files: debian/*
Copyright: 1997-2014 Davide G. M. Salvetti
License: GPL-3+

License: GPL-1+
  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 1, or (at your option) any
  later version.
  .
  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.
  .
  You should have received a copy of the GNU General Public License along
  with this program.  If not, see .
  .
  On Debian GNU/Linux System, you can find a copy of the GNU General Public
  License version 1 in the file "/usr/share/common-licenses/GPL-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; either version 3, or (at your option) any
  later version.
  .
  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.
  .
  You should have received a copy of the GNU General Public License along
  with this program.  If not, see .
  .
  On Debian GNU/Linux System, you can find a copy of the GNU General Public
  License  version 3 in the file "/usr/share/common-licenses/GPL-3".