ecd722fb_t___Columns_Switched___Updated__GPLv3
[#] - [GPLv2] Also, for each author's protection and ours, we want to make certain that everyone understands that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors' reputations. [GPLv3] 
For the developers' and author's protection, the GPL clearly explains that there is no warranty for this free software. If the software is modified by someone else and passed on, the GPL ensures that recipients are told that what they have is not the original, so that any problems introduced by others will not reflect on the original authors' reputations.
Groklaw - At Your Request, the GPLv2-GPL3 Chart - Columns Switched - Updated
GPLv3