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when toggle format what by license comment
Sep 21, 2013 at 15:38 history edited John M. Landsberg CC BY-SA 3.0
expanded explanation
Sep 21, 2013 at 7:45 vote accept user52495
Sep 21, 2013 at 7:43 vote accept user52495
Sep 21, 2013 at 7:44
Sep 21, 2013 at 6:58 history answered John M. Landsberg CC BY-SA 3.0