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[emacs.git] / lisp / calendar / appt.el

;;; appt.el --- appointment notification functions

;; Copyright (C) 1989, 1990, 1994, 1998, 2001, 2002, 2003, 2004, 2005,
;;   2006, 2007, 2008, 2009  Free Software Foundation, Inc.

;; Author: Neil Mager <neilm@juliet.ll.mit.edu>
;; Maintainer: Glenn Morris <rgm@gnu.org>
;; Keywords: calendar

;; This file is part of GNU Emacs.

;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.

;;; Commentary:

;;
;; appt.el - visible and/or audible notification of
;;           appointments from diary file.
;;
;;
;; Thanks to  Edward M. Reingold for much help and many suggestions,
;; And to many others for bug fixes and suggestions.
;;
;;
;; This functions in this file will alert the user of a
;; pending appointment based on his/her diary file.  This package
;; is documented in the Emacs manual.
;;
;; To activate this package, simply use (appt-activate 1).
;; A `diary-file' with appointments of the format described in the
;; documentation of the function `appt-check' is required.
;; Relevant customizable variables are also listed in the
;; documentation of that function.
;;
;; Today's appointment list is initialized from the diary when this
;; package is activated.  Additionally, the appointments list is
;; recreated automatically at 12:01am for those who do not logout
;; every day or are programming late.  It is also updated when the
;; `diary-file' is saved.  Calling `appt-check' with an argument (or
;; re-enabling the package) forces a re-initialization at any time.
;;
;; In order to add or delete items from today's list, without
;; changing the diary file, use `appt-add' and `appt-delete'.
;;

;; Brief internal description - Skip this if you are not interested!
;;
;; The function `appt-make-list' creates the appointments list which
;; `appt-check' reads.
;;
;; You can change the way the appointment window is created/deleted by
;; setting the variables
;;
;;           appt-disp-window-function
;; and
;;           appt-delete-window-function
;;
;; For instance, these variables could be set to functions that display
;; appointments in pop-up frames, which are lowered or iconified after
;; `appt-display-interval' minutes.
;;

;;; Code:

(require 'diary-lib)


(defgroup appt nil
  "Appointment notification."
  :prefix "appt-"
  :group 'calendar)

(defcustom appt-issue-message t
  "Non-nil means check for appointments in the diary buffer.
To be detected, the diary entry must have the format described in the
documentation of the function `appt-check'."
  :type 'boolean
  :group 'appt)

(make-obsolete-variable 'appt-issue-message
                        "use the function `appt-activate', and the \
variable `appt-display-format' instead." "22.1")

(defcustom appt-message-warning-time 12
  "Time in minutes before an appointment that the warning begins."
  :type 'integer
  :group 'appt)

(defcustom appt-audible t
  "Non-nil means beep to indicate appointment."
  :type 'boolean
  :group 'appt)

(defcustom appt-visible t
  "Non-nil means display appointment message in echo area.
This variable is only relevant if `appt-msg-window' is nil."
  :type 'boolean
  :group 'appt)

(make-obsolete-variable 'appt-visible 'appt-display-format "22.1")

(defcustom appt-msg-window t
  "Non-nil means display appointment message in another window.
If non-nil, this variable overrides `appt-visible'."
  :type 'boolean
  :group 'appt)

(make-obsolete-variable 'appt-msg-window 'appt-display-format "22.1")

;; TODO - add popup.
(defcustom appt-display-format 'ignore
  "How appointment reminders should be displayed.
The options are:
   window - use a separate window
   echo   - use the echo area
   nil    - no visible reminder.
See also `appt-audible' and `appt-display-mode-line'.

The default value is 'ignore, which means to fall back on the value
of the (obsolete) variables `appt-msg-window' and `appt-visible'."
  :type '(choice
          (const :tag "Separate window" window)
          (const :tag "Echo-area" echo)
          (const :tag "No visible display" nil)
          (const :tag "Backwards compatibility setting - choose another value"
                 ignore))
  :group 'appt
  :version "22.1")

(defcustom appt-display-mode-line t
  "Non-nil means display minutes to appointment and time on the mode line.
This is in addition to any other display of appointment messages."
  :type 'boolean
  :group 'appt)

(defcustom appt-display-duration 10
  "The number of seconds an appointment message is displayed.
Only relevant if reminders are to be displayed in their own window."
  :type 'integer
  :group 'appt)

(defcustom appt-display-diary t
  "Non-nil displays the diary when the appointment list is first initialized.
This will occur at midnight when the appointment list is updated."
  :type 'boolean
  :group 'appt)

(defcustom appt-display-interval 3
  "Number of minutes to wait between checking the appointment list."
  :type 'integer
  :group 'appt)

(defcustom appt-disp-window-function 'appt-disp-window
  "Function called to display appointment window.
Only relevant if reminders are being displayed in a window.
It should take three string arguments: the number of minutes till
the appointment, the current time, and the text of the appointment."
  :type '(choice (const appt-disp-window)
                 function)
  :group 'appt)

(defcustom appt-delete-window-function 'appt-delete-window
  "Function called to remove appointment window and buffer.
Only relevant if reminders are being displayed in a window."
  :type '(choice (const appt-delete-window)
                 function)
  :group 'appt)


;;; Internal variables below this point.

(defconst appt-buffer-name "*appt-buf*"
  "Name of the appointments buffer.")

(defvar appt-time-msg-list nil
  "The list of appointments for today.
Use `appt-add' and `appt-delete' to add and delete appointments.
The original list is generated from today's `diary-entries-list', and
can be regenerated using the function `appt-check'.
Each element of the generated list has the form (MINUTES STRING [FLAG]); where
MINUTES is the time in minutes of the appointment after midnight, and
STRING is the description of the appointment.
FLAG, if non-nil, says that the element was made with `appt-add'
so calling `appt-make-list' again should preserve it.")

(defconst appt-max-time (1- (* 24 60))
  "11:59pm in minutes - number of minutes in a day minus 1.")

(defvar appt-mode-string nil
  "String being displayed in the mode line saying you have an appointment.
The actual string includes the amount of time till the appointment.
Only used if `appt-display-mode-line' is non-nil.")
(put 'appt-mode-string 'risky-local-variable t) ; for 'face property

(defvar appt-prev-comp-time nil
  "Time of day (mins since midnight) at which we last checked appointments.
A nil value forces the diary file to be (re-)checked for appointments.")

(defvar appt-now-displayed nil
  "Non-nil when we have started notifying about a appointment that is near.")

(defvar appt-display-count nil
  "Internal variable used to count number of consecutive reminders.")

(defvar appt-timer nil
  "Timer used for diary appointment notifications (`appt-check').
If this is non-nil, appointment checking is active.")


;;; Functions.

(defun appt-display-message (string mins)
  "Display a reminder about an appointment.
The string STRING describes the appointment, due in integer MINS minutes.
The format of the visible reminder is controlled by `appt-display-format'.
The variable `appt-audible' controls the audible reminder."
  ;; Let-binding for backwards compatibility.  Remove when obsolete
  ;; vars appt-msg-window and appt-visible are dropped.
  (let ((appt-display-format
         (if (eq appt-display-format 'ignore)
             (cond (appt-msg-window 'window)
                   (appt-visible 'echo))
           appt-display-format)))
    (if appt-audible (beep 1))
    (cond ((eq appt-display-format 'window)
           (funcall appt-disp-window-function
                    (number-to-string mins)
                    ;; TODO - use calendar-month-abbrev-array rather than %b?
                    (format-time-string "%a %b %e " (current-time))
                    string)
           (run-at-time (format "%d sec" appt-display-duration)
                        nil
                        appt-delete-window-function))
          ((eq appt-display-format 'echo)
           (message "%s" string)))))


(defvar diary-selective-display)

(defun appt-check (&optional force)
  "Check for an appointment and update any reminder display.
If optional argument FORCE is non-nil, reparse the diary file for
appointments.  Otherwise the diary file is only parsed once per day,
and when saved.

Note: the time must be the first thing in the line in the diary
for a warning to be issued.  The format of the time can be either
24 hour or am/pm.  For example:

              02/23/89
                18:00 Dinner

              Thursday
                11:45am Lunch meeting.

Appointments are checked every `appt-display-interval' minutes.
The following variables control appointment notification:

`appt-display-format'
        Controls the format in which reminders are displayed.

`appt-audible'
        Variable used to determine if reminder is audible.
        Default is t.

`appt-message-warning-time'
        Variable used to determine when appointment message
        should first be displayed.

`appt-display-mode-line'
        If non-nil, a generic message giving the time remaining
        is shown in the mode-line when an appointment is due.

`appt-display-interval'
        Interval in minutes at which to check for pending appointments.

`appt-display-diary'
        Display the diary buffer when the appointment list is
        initialized for the first time in a day.

The following variables are only relevant if reminders are being
displayed in a window:

`appt-display-duration'
        The number of seconds an appointment message is displayed.

`appt-disp-window-function'
        Function called to display appointment window.

`appt-delete-window-function'
        Function called to remove appointment window and buffer."
  (interactive "P")                     ; so people can force updates
  (let* ((min-to-app -1)
         (prev-appt-mode-string appt-mode-string)
         (prev-appt-display-count (or appt-display-count 0))
         ;; Non-nil means do a full check for pending appointments and
         ;; display in whatever ways the user has selected.  When no
         ;; appointment is being displayed, we always do a full check.
         (full-check
          (or (not appt-now-displayed)
              ;; This is true every appt-display-interval minutes.
              (zerop (mod prev-appt-display-count appt-display-interval))))
         ;; Non-nil means only update the interval displayed in the mode line.
         (mode-line-only (unless full-check appt-now-displayed))
         now cur-comp-time appt-comp-time)
    (when (or full-check mode-line-only)
      (save-excursion
        ;; Convert current time to minutes after midnight (12.01am = 1).
        (setq now (decode-time)
              cur-comp-time (+ (* 60 (nth 2 now)) (nth 1 now)))
        ;; At first check in any day, update appointments to today's list.
        (if (or force                      ; eg initialize, diary save
                (null appt-prev-comp-time) ; first check
                (< cur-comp-time appt-prev-comp-time)) ; new day
            (condition-case nil
                (if appt-display-diary
                    (let ((diary-hook
                           (if (assoc 'appt-make-list diary-hook)
                               diary-hook
                             (cons 'appt-make-list diary-hook))))
                      (diary))
                  (let* ((diary-display-function 'appt-make-list)
                         (d-buff (find-buffer-visiting
                                  (substitute-in-file-name diary-file)))
                         (selective
                          (if d-buff    ; diary buffer exists
                              (with-current-buffer d-buff
                                diary-selective-display))))
                    (diary)
                    ;; If the diary buffer existed before this command,
                    ;; restore its display state.  Otherwise, kill it.
                    (if d-buff
                        ;; Displays the diary buffer.
                        (or selective (diary-show-all-entries))
                      (and (setq d-buff (find-buffer-visiting
                                         (substitute-in-file-name diary-file)))
                           (kill-buffer d-buff)))))
              (error nil)))
        (setq appt-prev-comp-time cur-comp-time
              appt-mode-string nil
              appt-display-count nil)
        ;; If there are entries in the list, and the user wants a
        ;; message issued, get the first time off of the list and
        ;; calculate the number of minutes until the appointment.
        (when (and appt-issue-message appt-time-msg-list)
          (setq appt-comp-time (caar (car appt-time-msg-list))
                min-to-app (- appt-comp-time cur-comp-time))
          (while (and appt-time-msg-list
                      (< appt-comp-time cur-comp-time))
            (setq appt-time-msg-list (cdr appt-time-msg-list))
            (if appt-time-msg-list
                (setq appt-comp-time (caar (car appt-time-msg-list)))))
          ;; If we have an appointment between midnight and
          ;; `appt-message-warning-time' minutes after midnight, we
          ;; must begin to issue a message before midnight.  Midnight
          ;; is considered 0 minutes and 11:59pm is 1439
          ;; minutes.  Therefore we must recalculate the minutes to
          ;; appointment variable.  It is equal to the number of
          ;; minutes before midnight plus the number of minutes after
          ;; midnight our appointment is.
          (if (and (< appt-comp-time appt-message-warning-time)
                   (> (+ cur-comp-time appt-message-warning-time)
                      appt-max-time))
              (setq min-to-app (+ (- (1+ appt-max-time) cur-comp-time)
                                  appt-comp-time)))
          ;; Issue warning if the appointment time is within
          ;; appt-message-warning time.
          (when (and (<= min-to-app appt-message-warning-time)
                     (>= min-to-app 0))
            (setq appt-now-displayed t
                  appt-display-count (1+ prev-appt-display-count))
            (unless mode-line-only
              (appt-display-message (cadr (car appt-time-msg-list))
                                    min-to-app))
            (when appt-display-mode-line
              (setq appt-mode-string
                    (concat " " (propertize
                                 (format "App't in %s min." min-to-app)
                                 'face 'mode-line-emphasis))))
            ;; When an appointment is reached, delete it from the
            ;; list.  Reset the count to 0 in case we display another
            ;; appointment on the next cycle.
            (if (zerop min-to-app)
                (setq appt-time-msg-list (cdr appt-time-msg-list)
                      appt-display-count nil))))
        ;; If we have changed the mode line string, redisplay all mode lines.
        (and appt-display-mode-line
             (not (string-equal appt-mode-string
                                prev-appt-mode-string))
             (progn
               (force-mode-line-update t)
               ;; If the string now has a notification, redisplay right now.
               (if appt-mode-string
                   (sit-for 0))))))))

(defun appt-disp-window (min-to-app new-time appt-msg)
  "Display appointment due in MIN-TO-APP (a string) minutes.
NEW-TIME is a string giving the date.  Displays the appointment
message APPT-MSG in a separate buffer."
  (let ((this-window (selected-window))
        (appt-disp-buf (get-buffer-create appt-buffer-name)))
    ;; Make sure we're not in the minibuffer before splitting the window.
    ;; FIXME this seems needlessly complicated?
    (when (minibufferp)
      (other-window 1)
      (and (minibufferp) (display-multi-frame-p) (other-frame 1)))
    (if (cdr (assq 'unsplittable (frame-parameters)))
        ;; In an unsplittable frame, use something somewhere else.
        (progn
          (set-buffer appt-disp-buf)
          (display-buffer appt-disp-buf))
      (unless (or (special-display-p (buffer-name appt-disp-buf))
                  (same-window-p (buffer-name appt-disp-buf)))
        ;; By default, split the bottom window and use the lower part.
        (appt-select-lowest-window)
        ;; Split the window, unless it's too small to do so.
        (when (>= (window-height) (* 2 window-min-height))
          (select-window (split-window))))
      (switch-to-buffer appt-disp-buf))
    ;; FIXME Link to diary entry?
    (calendar-set-mode-line
     (format " Appointment %s. %s "
             (if (string-equal "0" min-to-app) "now"
               (format "in %s minute%s" min-to-app
                       (if (string-equal "1" min-to-app) "" "s")))
             new-time))
    (setq buffer-read-only nil
          buffer-undo-list t)
    (erase-buffer)
    (insert appt-msg)
    (shrink-window-if-larger-than-buffer (get-buffer-window appt-disp-buf t))
    (set-buffer-modified-p nil)
    (setq buffer-read-only t)
    (raise-frame (selected-frame))
    (select-window this-window)))

(defun appt-delete-window ()
  "Function called to undisplay appointment messages.
Usually just deletes the appointment buffer."
  (let ((window (get-buffer-window appt-buffer-name t)))
    (and window
         (or (eq window (frame-root-window (window-frame window)))
             (delete-window window))))
  (kill-buffer appt-buffer-name)
  (if appt-audible
      (beep 1)))

(defun appt-select-lowest-window ()
  "Select the lowest window on the frame."
  (let ((lowest-window (selected-window))
        (bottom-edge (nth 3 (window-edges)))
        next-bottom-edge)
    (walk-windows (lambda (w)
                    (when (< bottom-edge (setq next-bottom-edge
                                               (nth 3 (window-edges w))))
                      (setq bottom-edge next-bottom-edge
                            lowest-window w))) 'nomini)
    (select-window lowest-window)))

(defconst appt-time-regexp
  "[0-9]?[0-9]\\(h\\([0-9][0-9]\\)?\\|[:.][0-9][0-9]\\)\\(am\\|pm\\)?")

;;;###autoload
(defun appt-add (new-appt-time new-appt-msg)
  "Add an appointment for today at NEW-APPT-TIME with message NEW-APPT-MSG.
The time should be in either 24 hour format or am/pm format."
  (interactive "sTime (hh:mm[am/pm]): \nsMessage: ")
  (unless (string-match appt-time-regexp new-appt-time)
    (error "Unacceptable time-string"))
  (let ((time-msg (list (list (appt-convert-time new-appt-time))
                        (concat new-appt-time " " new-appt-msg) t)))
    (unless (member time-msg appt-time-msg-list)
      (setq appt-time-msg-list
            (appt-sort-list (nconc appt-time-msg-list (list time-msg)))))))

;;;###autoload
(defun appt-delete ()
  "Delete an appointment from the list of appointments."
  (interactive)
  (let ((tmp-msg-list appt-time-msg-list))
    (dolist (element tmp-msg-list)
      (if (y-or-n-p (concat "Delete "
                            ;; We want to quote any doublequotes in the
                            ;; string, as well as put doublequotes around it.
                            (prin1-to-string
                             (substring-no-properties (cadr element) 0))
                            " from list? "))
          (setq appt-time-msg-list (delq element appt-time-msg-list)))))
  (appt-check)
  (message ""))


(defvar number)
(defvar original-date)
(defvar diary-entries-list)
;; Autoload for the old way of using this package.  Can be removed sometime.
;;;###autoload
(defun appt-make-list ()
  "Update the appointments list from today's diary buffer.
The time must be at the beginning of a line for it to be
put in the appointments list (see examples in documentation of
the function `appt-check').  We assume that the variables DATE and
NUMBER hold the arguments that `diary-list-entries' received.
They specify the range of dates that the diary is being processed for.

Any appointments made with `appt-add' are not affected by this function.

For backwards compatibility, this function activates the
appointment package (if it is not already active)."
  ;; See comments above appt-activate defun.
  (if (not appt-timer)
      (appt-activate 1)
    ;; We have something to do if the range of dates that the diary is
    ;; considering includes the current date.
    (if (and (not (calendar-date-compare
                   (list (calendar-current-date))
                   (list original-date)))
             (calendar-date-compare
              (list (calendar-current-date))
              (list (calendar-gregorian-from-absolute
                     (+ (calendar-absolute-from-gregorian original-date)
                        number)))))
        (save-excursion
          ;; Clear the appointments list, then fill it in from the diary.
          (dolist (elt appt-time-msg-list)
            ;; Delete any entries that were not made with appt-add.
            (unless (nth 2 elt)
              (setq appt-time-msg-list
                    (delq elt appt-time-msg-list))))
          (if diary-entries-list
              ;; Cycle through the entry-list (diary-entries-list)
              ;; looking for entries beginning with a time.  If the
              ;; entry begins with a time, add it to the
              ;; appt-time-msg-list.  Then sort the list.
              (let ((entry-list diary-entries-list)
                    (new-time-string "")
                    time-string)
                ;; Skip diary entries for dates before today.
                (while (and entry-list
                            (calendar-date-compare
                             (car entry-list) (list (calendar-current-date))))
                  (setq entry-list (cdr entry-list)))
                ;; Parse the entries for today.
                (while (and entry-list
                            (calendar-date-equal
                             (calendar-current-date) (caar entry-list)))
                  (setq time-string (cadr (car entry-list)))
                  (while (string-match appt-time-regexp time-string)
                    (let* ((beg (match-beginning 0))
                           ;; Get just the time for this appointment.
                           (only-time (match-string 0 time-string))
                           ;; Find the end of this appointment
                           ;; (the start of the next).
                           (end (string-match
                                 (concat "\n[ \t]*" appt-time-regexp)
                                 time-string
                                 (match-end 0)))
                           ;; Get the whole string for this appointment.
                           (appt-time-string
                            (substring time-string beg (if end (1- end))))
                           (appt-time (list (appt-convert-time only-time)))
                           (time-msg (list appt-time appt-time-string)))
                      ;; Add this appointment to appt-time-msg-list.
                      (setq appt-time-msg-list
                            (nconc appt-time-msg-list (list time-msg))
                            ;; Discard this appointment from the string.
                            time-string
                            (if end (substring time-string end) ""))))
                  (setq entry-list (cdr entry-list)))))
          (setq appt-time-msg-list (appt-sort-list appt-time-msg-list))
          ;; Convert current time to minutes after midnight (12:01am = 1),
          ;; so that elements in the list that are earlier than the
          ;; present time can be removed.
          (let* ((now (decode-time))
                 (cur-comp-time (+ (* 60 (nth 2 now)) (nth 1 now)))
                 (appt-comp-time (caar (car appt-time-msg-list))))
            (while (and appt-time-msg-list (< appt-comp-time cur-comp-time))
              (setq appt-time-msg-list (cdr appt-time-msg-list))
              (if appt-time-msg-list
                  (setq appt-comp-time (caar (car appt-time-msg-list))))))))))


(defun appt-sort-list (appt-list)
  "Sort an appointment list, putting earlier items at the front.
APPT-LIST is a list of the same format as `appt-time-msg-list'."
  (sort appt-list (lambda (e1 e2) (< (caar e1) (caar e2)))))


(defun appt-convert-time (time2conv)
  "Convert hour:min[am/pm] format TIME2CONV to minutes from midnight.
A period (.) can be used instead of a colon (:) to separate the
hour and minute parts."
  ;; Formats that should be accepted:
  ;;   10:00 10.00 10h00 10h 10am 10:00am 10.00am
  (let ((min (if (string-match "[h:.]\\([0-9][0-9]\\)" time2conv)
                 (string-to-number (match-string 1 time2conv))
               0))
        (hr (if (string-match "[0-9]*[0-9]" time2conv)
                (string-to-number (match-string 0 time2conv))
              0)))
    ;; Convert the time appointment time into 24 hour time.
    (cond ((and (string-match "pm" time2conv) (< hr 12))
           (setq hr (+ 12 hr)))
          ((and (string-match "am" time2conv) (= hr 12))
           (setq hr 0)))
    ;; Convert the actual time into minutes.
    (+ (* hr 60) min)))

(defun appt-update-list ()
  "If the current buffer is visiting the diary, update appointments.
This function is intended for use with `write-file-functions'."
  (and (string-equal buffer-file-name (expand-file-name diary-file))
       appt-timer
       (let ((appt-display-diary nil))
         (appt-check t)))
  nil)

;; In Emacs-21.3, the manual documented the following procedure to
;; activate this package:
;;     (display-time)
;;     (add-hook 'diary-hook 'appt-make-list)
;;     (diary 0)
;; The display-time call was not necessary, AFAICS.
;; What was really needed was to add the hook and load this file.
;; Calling (diary 0) once the hook had been added was in some sense a
;; roundabout way of loading this file.  This file used to have code at
;; the top-level that set up the appt-timer and global-mode-string.
;; One way to maintain backwards compatibility would be to call
;; (appt-activate 1) at top-level.  However, this goes against the
;; convention that just loading an Emacs package should not activate
;; it.  Instead, we make appt-make-list activate the package (after a
;; suggestion from rms).  This means that one has to call diary in
;; order to get it to work, but that is in line with the old (weird,
;; IMO) documented behavior for activating the package.
;; Actually, since (diary 0) does not run diary-hook, I don't think
;; the documented behavior in Emacs-21.3 would ever have worked.
;; Oh well, at least with the changes to appt-make-list it will now
;; work as well as it ever did.
;; The new method is just to use (appt-activate 1).
;; -- gmorris

;;;###autoload
(defun appt-activate (&optional arg)
  "Toggle checking of appointments.
With optional numeric argument ARG, turn appointment checking on if
ARG is positive, otherwise off."
  (interactive "P")
  (let ((appt-active appt-timer))
    (setq appt-active (if arg (> (prefix-numeric-value arg) 0)
                        (not appt-active)))
    (remove-hook 'write-file-functions 'appt-update-list)
    (or global-mode-string (setq global-mode-string '("")))
    (delq 'appt-mode-string global-mode-string)
    (when appt-timer
      (cancel-timer appt-timer)
      (setq appt-timer nil))
    (when appt-active
      (add-hook 'write-file-functions 'appt-update-list)
      (setq appt-timer (run-at-time t 60 'appt-check)
            global-mode-string
            (append global-mode-string '(appt-mode-string)))
      (appt-check t))))


(provide 'appt)

;; arch-tag: bf5791c4-8921-499e-a26f-772b1788d347
;;; appt.el ends here