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License upgrade

 

I would like to upgrade the license of FFC to GPL v3.

I found the following list of contributors:

    Johan Jansson
    Robert C. Kirby
    Matthew G. Knepley
    Dag Lindbo
    Kristian Oelgaard
    Marie Rognes
    Ola Skavhaug
    Andy R. Terrel
    Garth N. Wells

I need confirmation from everyone on this list that changing the license is ok. (And please tell me if someone is missing.)

There is much to read about GPL v3, see for example

    http://gplv3.fsf.org/
    http://www.gnu.org/copyleft/gpl.html

I read it and I think it looks good.

I also would like to change the wording of the per-file license statement to

    GNU GPL Version 3 or later

and the global license statement to

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

In principle, it may be dangerous giving a third party free hands to decide on a future license without us looking at it first. But I'm not so worried about that, and if FSF publish GPL v4 in 10 years and it's very bad, then we may just say GPL v3 only for any future releases of FFC...

/Anders