(:copier nil))
;; the element specifier, e.g. BASE-CHAR or (UNSIGNED-BYTE 4)
(specifier (missing-arg) :type type-specifier :read-only t)
(:copier nil))
;; the element specifier, e.g. BASE-CHAR or (UNSIGNED-BYTE 4)
(specifier (missing-arg) :type type-specifier :read-only t)