portable common loops

from The Free On-line Dictionary of Computing (8 July 2008)

Portable Common Loops

   (PCL) A language which started out as an implementation of
   {CommonLoops} and turned into a portable {CLOS}
   implementation.  Version 1992-08-28.  It runs under {Lucid
   Common LISP} 4.0.1 and {CMU Common LISP} 16e.

   (ftp://parcftp.xerox.com/pcl).

   (1992-09-02)

   [Was it developed by Richard Harris
   <[email protected]>?]