For Approval: Artistic License 2.0

[Allison Randal]

1) The Artistic License 2.0 is an updated version of the Artistic
License (<http://opensource.org/licenses/artistic-license.php>) and
replaces both the original license and the "Clarified Artistic License"
(which was an early draft that never should have escaped into the wild).
The goal of the Artistic 2.0 revision is to make the terms of the
original Artistic License more readable and more legally precise. In
some cases we made the language more general so the license may fit
better with past and future changes in technology. The significant
additions to the Artistic 2.0 are sections 4(c)(ii), which addresses
relicensing, and 13, which addresses patents. Section 4(c)(ii) allows a
work released under the Artistic license to be relicensed under a
copyleft license such as the GPL. This enables the Perl Foundation to
change from releasing packages under a dual GPL/Artistic license to
releasing them only under the Artistic license.

2) Upstream compatibility: A work distributed under the Artistic License
2.0 may include works licensed under the Artistic 1.0, Apache 2.0, BSD,
or MIT licenses, as they have more permissive terms. It may not include
works licensed under the GPL, LGPL, or MPL as they have more restrictive
terms.

Downstream compatibility: A work distributed under the MPL may include
works licensed under the Artistic 2.0 as it has more restrictive terms.
A work distributed under the GPL or LGPL may also include works licensed
under the Artistic 2.0, relicensing those included works under section
4(c)(ii) of the Artistic 2.0. A work distributed under the Apache, MIT,
or BSD licenses may not include works licensed under the Artistic 2.0,
as they have more permissive terms.

3) Plain text license attached. HTML in OSI's format is available at:
<http://foundation.perl.org/legal/licenses/artistic-2_0-plain.html>

Allison

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