Copyright for haskell-intern source package in Bionic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: intern
Upstream-Contact: https://github.com/ekmett/intern/issues
Source: http://hackage.haskell.org/packages/archive/intern/
 git://github.com/ekmett/intern/

Files: *
Copyright: 2002, Daan Leijen
  2011-2014, Edward A. Kmett 
License: BSD-3-clause~author

Files: debian/*
Copyright: 2013-2017, Jonas Smedegaard 
License-Grant:
 This file 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 of the License, or (at your
 option) any later version.
License: GPL-3+

License: BSD-3-clause~author
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
 met:
 .
 1. Redistributions of source code must retain the above copyright
 notice, this list of conditions and the following disclaimer.
 .
 2. Redistributions in binary form must reproduce the above copyright
 notice, this list of conditions and the following disclaimer in the
 documentation and/or other materials provided with the distribution.
 .
 3. Neither the name of the author nor the names of his contributors may
 be used to endorse or promote products derived from this software
 without specific prior written permission.
 .
 THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

License: GPL-3+
License-Reference: /usr/share/common-licenses/GPL-3