apply and follow the GNU General Public License. Notwithstanding any other provision of this License in order to receive the covered work, for which you have permission to license the entire work, as a means of enforcing, against the work's users, your or third parties' legal rights of fair use or other defenses to infringement that may otherwise be available to the public in source code of the GNU General Public License "or any later version. 15. Disclaimer of Warranty. THERE IS NO WARRANTY FOR THE