Introductory material on common loops

[gerhard@med.pitt.edu (Gerhard Werner)]

We have recently acquired the pcl package and are using with with
Allegro CL. We would appreciate any pointers to introductory material
on common loops, along with some sample code. We have previously been
using the CLOS package.

  Gerhard Werner MD
  gerhard@deimos.med.pitt.edu