The license must allow modifications and derived works, and must allow them to be distributed under the same terms as the license of the original software.(协议必须允许修改和衍生工作,而且必须允许他们在原来的协议下分发。)
其实话说回来,Mozilla组织并不是第一个这么干的人,Redhat和Novell早就已经已经这么做过了,他们说:Submit patches that deviate from the source tarballs in order to continue to use the trademark。