;; Following the introduced forms is a representation of the
;; location of the enclosing original source form. This transition
;; is indicated by the magic ORIGINAL-SOURCE-START marker. The first
- ;; element of the orignal source is the "form number", which is the
+ ;; element of the original source is the "form number", which is the
;; ordinal number of this form in a depth-first, left-to-right walk
;; of the truly top-level form in which this appears.
;;
;;
;; The last element in the list is the top-level form number, which
;; is the ordinal number (in this call to the compiler) of the truly
- ;; top-level form containing the orignal source.
+ ;; top-level form containing the original source.
(source-path *current-path* :type list)
;; If this node is in a tail-recursive position, then this is set to
;; T. At the end of IR1 (in environment analysis) this is computed