- tree-equal nth %setnth nthcdr last make-list append
- nconc member member-if member-if-not tailp adjoin union
- nunion intersection nintersection set-difference nset-difference
- set-exclusive-or nset-exclusive-or subsetp acons assoc
- assoc-if assoc-if-not rassoc rassoc-if rassoc-if-not subst subst-if
- subst-if-not nsubst nsubst-if nsubst-if-not sublis nsublis))
+ tree-equal nth %setnth nthcdr last make-list append
+ nconc member member-if member-if-not tailp adjoin union
+ nunion intersection nintersection set-difference nset-difference
+ set-exclusive-or nset-exclusive-or subsetp acons assoc
+ assoc-if assoc-if-not rassoc rassoc-if rassoc-if-not subst subst-if
+ subst-if-not nsubst nsubst-if nsubst-if-not sublis nsublis))