ecd722fb_t___Columns_Switched___Updated__GPLv3
[#] 9 [GPLv2] 5. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it. [GPLv3] 
Not a Contract. You are not required to accept this License in order to receive a copy of the Program. However, nothing else grants you permission to propagate or modify the Program or any covered works. These actions infringe copyright if you do not accept this License. Therefore, by modifying or propagating the Program (or any covered work), you indicate your acceptance of this License to do so, and all its terms and conditions.
Groklaw - At Your Request, the GPLv2-GPL3 Chart - Columns Switched - Updated
GPLv3