On October 3, 2007 at 3:16AM +0900, nori1 (at dolphin.c.u-tokyo.ac.jp) wrote:
> * The online license page only says that the license for distribution > is CC by-sa and does not specify its version. However, the license > deed and full license code linked from that page is ones of CC by-sa > 2.5, which is not considered to be DFSG-free. [...] > * To give the upstream suggestions to upgrade the license to CC by-sa > 3.0 and to specify that version clearly in the license page. Is it required? The section 4.b of CC by-sa 2.5 seems that a derivative work of a CC by-sa 2.5 licensed work can be distributed under CC by-sa 3.0. Quoting from http://creativecommons.org/licenses/by-sa/2.5/legalcode | 3. License Grant. Subject to the terms and conditions of this | License, Licensor hereby grants You a worldwide, royalty-free, | non-exclusive, perpetual (for the duration of the applicable | copyright) license to exercise the rights in the Work as stated | below: [...] | 4. Restrictions.The license granted in Section 3 above is expressly | made subject to and limited by the following restrictions: [...] | b. 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). IANAL. Thanks, -- Tatsuya Kinoshita
pgpiUEPyGFp3z.pgp
Description: PGP signature
