@@ -12,7 +12,8 @@

 ;;; Dario Guise, Skef Wholey, Michael Parzen, and Dan Kuokka. 

 ;;; Modified to work in CLtL1, CLtL2 and X3J13 compatible lisps by 

 ;;; Mark Kantrowitz on 14-OCT-92. The auto.ops and reactor.ops demo files

-;;; were provided by Michael Mauldin.

+;;; were provided by Michael Mauldin.  In year 2013, ported to modern Common

+;;; Lisp implementations and added support for quicklisp by Xiaofeng Yang.

 ;;; 

 ;;; This code is made available is, and without warranty of any kind by the

 ;;; authors or by Carnegie-Mellon University.