;;; Check everything that we can think of for consistency. When a
;;; definite inconsistency is detected, we BARF. Possible problems
;;; just cause us to BURP. Our argument is a list of components, but
;;; Check everything that we can think of for consistency. When a
;;; definite inconsistency is detected, we BARF. Possible problems
;;; just cause us to BURP. Our argument is a list of components, but