(cond
((looking-at "[0-9]+")
;; We narrow and read a number instead of buffer-substring/
- ;; string-to-int because it's faster. narrow/widen is
+ ;; string-to-number because it's faster. narrow/widen is
;; faster than save-restriction/narrow, and save-restriction
;; produces a garbage object.
(setq num1 (progn