CommonLoops {Xerox}'s {object-oriented} {Lisp} which led to {CLOS}. See also {Portable CommonLoops}. {(ftp://arisia.xerox.com/pub/pcl/September-16-92-PCL-c.tar.Z)}. ["CommonLoops: Merging Lisp and Object-Oriented Programming", D.G. Bobrow et al, SIGPLAN Notices 21(11):17-29 (Nov 1986)]. (1999-07-02)