[Please CC me on replies, I'm not subscribed to the list.] Recent developement versions of liferea include a set of icons derived from the CC-SA 2.5 tango icons set. That means I can't upload such versions to main, as that's not DFSG-free. However, the author of the icons has indicated he'd be willing to relicense them, within the constraints of the original work, of course. Now, CC-SA 2.5 section 4.b says You may distribute, publicly display, publicly perform, or publicly digitally perform a Derivative Work only under the terms of this License, a later version of this License with the same License Elements as this License, or a Creative Commons iCommons license that contains the same License Elements as this License (e.g. Attribution-ShareAlike 2.5 Japan). ... Does this mean he's free to relicense his derivative work as CC-SA 3.0? In that case, I'm I right in assuming this would make the icons DFSG-free?
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