;; KLUDGE: As of sbcl-0.6.4, it's very important for
;; efficiency to know the type of the sequence argument to
;; quantifiers (SOME/NOTANY/etc.) at compile time, but
;; KLUDGE: As of sbcl-0.6.4, it's very important for
;; efficiency to know the type of the sequence argument to
;; quantifiers (SOME/NOTANY/etc.) at compile time, but