...but the BSD, MIT and UoI/NCSA licenses do not. * The AFL includes the warranty by the licensor that it either owns the copyright or that it is distributing the software under a license. None of the other licenses contain that warranty. All other warranties are disclaimed, as is the case for the other licenses. * The AFL is itself copyrighted (with the right granted to copy and distribute without modification). This ensures that the owner of the copyright to the license will control changes....
--Academic Free License (AFL), Version 1.1. (Paragraph 16.)