Bug #2000: Change the license to "GPLv2+ or Ruby's original".
http://redmine.ruby-lang.org/issues/show/2000

起票者: Mamoru Tasaka
ステータス: Open, 優先度: High
ruby -v: 1.8.x/1.9.x

Hello.

Recently readline 6.0 was released and its license was changed from
GPLv2+ (GPL version 2 and any later) to GPLv3+ [1][2]
Unfortunately Ruby's license is still under GPLv2 and Ruby's original license [3],
which is incompatible with GPLv3 [4]. So unless Ruby's license is changed
to "GPLv2+ or Ruby's original license" or so , Ruby's readline module cannot be shipped
any more. Note that "Ruby's original license" is regarded as incompatible with
GPL [5].

So please change the Ruby's license to GPLv3 (and GPLv2) compat.

[1] http://tiswww.case.edu/php/chet/readline/rltop.html
[2] https://www.redhat.com/archives/fedora-devel-list/2009-July/msg00192.html
[3] http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/COPYING?view=co
[4] https://fedoraproject.org/wiki/Licensing#GPL_Compatibility_Matrix
[5] https://fedoraproject.org/wiki/Licensing


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