;;; The variable `appt-message-warning-time' allows the
;;; user to specify how much notice they want before the appointment. The
;;; variable `appt-issue-message' specifies whether the user wants
-;;; to to be notified of a pending appointment.
+;;; to be notified of a pending appointment.
;;;
;;; In order to use the appt package, you only need
;;; to load it---provided you have appointments.
;;
;; a. Create one draw-function that draws your shape and one
;; undraw-function that undraws it. The draw- and
-;; undraw-functions are used to to draw/undraw a segment of
+;; undraw-functions are used to draw/undraw a segment of
;; your poly-point mode between 2 points. The draw- and
;; undraw-functions are then really 2-point mode functions.
;; They must take the same arguments and return the same