[wp-trac] [WordPress Trac] #16898: Fix plugins about page license requirement

[WordPress Trac]

#16898: Fix plugins about page license requirement
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 Reporter:  scribu              |       Owner:
     Type:  feature request     |      Status:  new
 Priority:  normal              |   Milestone:  WordPress.org
Component:  WordPress.org site  |     Version:
 Severity:  normal              |  Resolution:
 Keywords:                      |
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Comment (by Ipstenu):

 @mikeschinkel - Thank you for the clarification. You're right :) Dual is
 not okay, I was wrong!

 @Rarst - Perhaps this analogy will help: I can use v2 software on a v3
 server, but not v3 software on a v2 server. The license is forward
 compatible, but not backwards.

 Per this: http://www.gnu.org/licenses/gpl-faq.html#AllCompatibility you
 can go from GPLv2 to GPLv3 ''because'' you're permitted to go from GPLv2
 to GPLv2 or later without issues.

 > You must follow the terms of GPLv2 when incorporating the code in this
 case. You cannot take advantage of terms in later versions of the GPL.

 So as long as you don't violate GPLv2, you can use the code in GPLv3.

 This is why people get headaches.

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Ticket URL: <http://core.trac.wordpress.org/ticket/16898#comment:31>
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