Copyright for ocaml source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Packaged-By: Sven Luther 
Packaged-Date: Fri, 14 Dec 2001 12:44:03 +0100
Upstream-Author:
  Xavier Leroy,
  Damien Doligez,
  Jacques Garrigue,
  Nicolas Pouillard,
  Pierre Weis,
  Jérôme Vouillon,
  Maxence Guesdon,
  Alain Frisch
Original-Source-Location: http://caml.inria.fr/

Files: *
Copyright: © 1996-2019 Institut National de Recherche en Informatique et
                       en Automatique
License: LGPL-2.1-OCaml

Files: debian/*
Copyright: © 2001-2019 Debian OCaml Maintainers
License: LGPL-2.1-OCaml

License: LGPL-2.1-OCaml
 In the following, "the OCaml Core System" refers to all files marked
 "Copyright INRIA" in this distribution.
 .
 The OCaml Core System is distributed under the terms of the
 GNU Lesser General Public License (LGPL) version 2.1 (found in
 /usr/share/common-licenses/LGPL-2.1 on Debian systems).
 .
 As a special exception to the GNU Lesser General Public License, you
 may link, statically or dynamically, a "work that uses the OCaml Core
 System" with a publicly distributed version of the OCaml Core System
 to produce an executable file containing portions of the OCaml Core
 System, and distribute that executable file under terms of your
 choice, without any of the additional requirements listed in clause 6
 of the GNU Lesser General Public License.  By "a publicly distributed
 version of the OCaml Core System", we mean either the unmodified OCaml
 Core System as distributed by INRIA, or a modified version of the
 OCaml Core System that is distributed under the conditions defined in
 clause 2 of the GNU Lesser General Public License.  This exception
 does not however invalidate any other reasons why the executable file
 might be covered by the GNU Lesser General Public License.