It’ll work on all version of Emacs from 18.59 all the way up to 20.7, and also on the XEmacs releases. If you have any problems with it, please send mail to email@example.com (or do M-x zenicb-bug RET).
This work is licensed to you under version 2 of the
GNUGeneral Public License.
Alternatively, you may choose to receive this work under any other
license that grants the right to use, copy, modify, and/or distribute
the work, as long as that license imposes the restriction that
derivative works have to grant the same rights and impose the same
restriction. For example, you may choose to receive this work under
GNUFree Documentation License, the
License, the XEmacs manual license, or