Copyright for libpst source package in Sid

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: libpst
Upstream-Contact: Carl Byington 
Source: https://www.five-ten-sg.com/libpst/packages/

Files: *
Copyright: © 2003-2008 Dave Smith 
           © 2003-2007 Joseph Nahmias 
           © 2007-2012 Carl Byington 
License: GPL-2+

Files:
 python/*
 src/pst2dii.*
 src/nick2ldif.*
 src/pst2ldif.*
Copyright: © 2004, 2008 Carl Byington 
License: GPL-2+

Files: src/XGetopt.*
Copyright: © 2002 Hans Dietrich 
License: other

License: GPL-2+
 On Debian GNU/Linux systems, the complete text of the GNU General
 Public License v2 can be found in `/usr/share/common-licenses/GPL-2'

License: other
 This software is released into the public domain.
 You are free to use it in any way you like.