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CeCILL (from CEA CNRS INRIA Logiciel Libre) is a free software license adapted to both international and French legal matters, in the spirit of and retaining compatibility with the GNU General Public License. It was jointly developed by a number of French agencies: the ''Commissariat à l'Énergie Atomique'' (Atomic Energy Commission), the ''Centre national de la recherche scientifique'' (National Centre for Scientific Research) and the ''Institut national de recherche en informatique et en automatique'' (National Institute for Research in Computer Science and Control). It was announced on 5 July 2004 in a joint press communication of the CEA, CNRS and INRIA. It has gained support of the main French Linux User Group and the Minister of Public Function, and is now under examination to be adopted at the European level. == CeCILL version 2 == Version 2 has been developed after consultations with the French-speaking Linux and Free Software Users' Association, the ''Association pour la Promotion et la Recherche en Informatique Libre'', and the Free Software Foundation; it was released on 21 May 2005. According to CeCILL FAQ there are no major differences in spirit, though there are in terms. The most notable difference in CeCILL v2 is the fact that the English text was approved not as a draft translation (as in CeCILL v1) but as an authentic text, in addition to the French version which is equally authentic (this makes the CeCILL license much easier to enforce internationally, as the cost of producing an authentic translation in any international court will be lower with the help of a second authentic reference text, if such courts require an authentic translation to an official national language before any ruling). Many courts in the world can rule directly based on an authentic English text already approved by all parties, without requiring an additional translation (the approbation of a translation by a third party is costly: even if a translation is approved in one litigation case, it can't be used directly in a different further case without prior mutual agreement on a common translated text). The second difference is that the reference to the GNU GPL v2, with which CeCILL v2 is now fully compatible, is explicitly defined precisely using its exact title and the exact name of the Free Software Foundation, to avoid all possible variations of the terms of the GPL v2. Some additional definitions were added to more precisely define the terms with less ambiguity. With these changes, CeCILL is now fully enforceable according to WIPO rules, and according to the French law in courts, without the legal problems that are still remaining in the GPLv2 outside USA. In other words, CeCILL really enforces the GPLv2 license internationally by fixing ambiguities, without losing its compatibility. Version 2.1 has been released in June 2013. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「CeCILL」の詳細全文を読む スポンサード リンク
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