The other loop variables seem to have gotten lost somewhere along the
way.
By building the input lists and selecting the PICK function appropriately,
a variety of different CPL algorithms can be implemented."
- (do* ((lb (make-list-builder)))
- ((null lists) (lbuild-list lb))
+ (do ((lb (make-list-builder)))
+ ((null lists) (lbuild-list lb))
;; The candidate items are the ones at the front of the input lists.
;; Gather them up, removing duplicates. If a candidate is somewhere in