Copyright for libtree-redblack-perl source package in Precise

Upstream source location: http://search.cpan.org/dist/Tree-RedBlack/
Upstream author: Benjamin Holzman 

Files: *
Copyright: 1998-1999, Benjamin Holzman 
 It is assumed that the author also holds the copyright. Years are deduced
 from Changes.
License: Artistic
 This program is free software; you can redistribute it and/or modify
 it under the terms of the Artistic License, a copy of which can be
 found with perl.

A copy of the Artistic license can be found in the file
/usr/share/common-licenses/Artistic on Debian systems.

Files: debian/*
Copyright:
 2001, Eduard Bloch 
 2001, Benjamin Holzman 
 2004-2008, Debian Perl Group
License: Artistic
 It is assumed that all contributors put their work under the same license
 as the software itself.