Remove trailing ^M that prevent CVS-merging.

1 files changed, 314 insertions, 314 deletions

diff --git a/lisp/time.el b/lisp/time.el
index cb276e4097d..756aa6ad8b9 100644
--- a/lisp/time.el
+++ b/lisp/time.el
@@ -1,315 +1,315 @@
 ;;; time.el --- display time, load and mail indicator in mode line of Emacs.

-

-;; Copyright (C) 1985, 86, 87, 93, 94, 96, 2000 Free Software Foundation, Inc.

-

-;; Maintainer: FSF

-

-;; 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 2, 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; see the file COPYING.  If not, write to the

-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,

-;; Boston, MA 02111-1307, USA.

-

-;;; Commentary:

-

-;; Facilities to display current time/date and a new-mail indicator

-;; in the Emacs mode line.  The single entry point is `display-time'.

-

-;;; Code:

-

-(defgroup display-time nil

-  "Display time and load in mode line of Emacs."

-  :group 'modeline

-  :group 'mail)

-

-

-;;;###autoload

-(defcustom display-time-mode nil

-  "Toggle display of time, load level, and mail flag in mode lines.

-Setting this variable directly does not take effect;

-use either \\[customize] or the function `display-time-mode'."

-  :set (lambda (symbol value)

-	 (display-time-mode (or value 0)))

-  :initialize 'custom-initialize-default

-  :type 'boolean

-  :group 'display-time

-  :require 'time

-  :version "20.3")

-

-

-(defcustom display-time-mail-file nil

-  "*File name of mail inbox file, for indicating existence of new mail.

-Non-nil and not a string means don't check for mail.  nil means use

-default, which is system-dependent, and is the same as used by Rmail."

-  :type '(choice (const :tag "(None)" none)

-		 (const :tag "Default" nil)

-		 (file :format "%v"))

-  :group 'display-time)

-

-(defcustom display-time-mail-function nil

-  "*Function to call, for indicating existence of new mail.

-nil means use the default method of checking `display-time-mail-file'."

-  :type '(choice (const :tag "Default" nil)

-		 (function))

-  :group 'display-time)

-

-;;;###autoload

-(defcustom display-time-day-and-date nil "\

-*Non-nil means \\[display-time] should display day and date as well as time."

-  :type 'boolean

-  :group 'display-time)

-

-(defvar display-time-timer nil)

-

-(defcustom display-time-interval 60

-  "*Seconds between updates of time in the mode line."

-  :type 'integer

-  :group 'display-time)

-

-(defcustom display-time-24hr-format nil

-  "*Non-nil indicates time should be displayed as hh:mm, 0 <= hh <= 23.

-Nil means 1 <= hh <= 12, and an AM/PM suffix is used."

-  :type 'boolean

-  :group 'display-time)

-

-(defvar display-time-string nil)

-

-(defcustom display-time-hook nil

-  "*List of functions to be called when the time is updated on the mode line."

-  :type 'hook

-  :group 'display-time)

-

-(defvar display-time-server-down-time nil

-   "Time when mail file's file system was recorded to be down.

-If that file system seems to be up, the value is nil.")

-

-;;;###autoload

-(defun display-time ()

-  "Enable display of time, load level, and mail flag in mode lines.

-This display updates automatically every minute.

-If `display-time-day-and-date' is non-nil, the current day and date

-are displayed as well.

-This runs the normal hook `display-time-hook' after each update."

-  (interactive)

-  (display-time-mode 1))

-

-;;;###autoload

-(defun display-time-mode (arg)

-  "Toggle display of time, load level, and mail flag in mode lines.

-With a numeric arg, enable this display if arg is positive.

-

-When this display is enabled, it updates automatically every minute.

-If `display-time-day-and-date' is non-nil, the current day and date

-are displayed as well.

-This runs the normal hook `display-time-hook' after each update."

-  (interactive "P")

-  (let ((on (if (null arg)

-		(not display-time-timer)

-	      (> (prefix-numeric-value arg) 0))))

-    (setq display-time-mode on)

-    (and display-time-timer (cancel-timer display-time-timer))

-    (setq display-time-timer nil)

-    (setq display-time-string "")

-    (or global-mode-string (setq global-mode-string '("")))

-    (if on

-	(progn

-	  (or (memq 'display-time-string global-mode-string)

-	      (setq global-mode-string

-		    (append global-mode-string '(display-time-string))))

-	  ;; Set up the time timer.

-	  (setq display-time-timer

-		(run-at-time t display-time-interval

-			     'display-time-event-handler))

-	  ;; Make the time appear right away.

-	  (display-time-update)

-	  ;; When you get new mail, clear "Mail" from the mode line.

-	  (add-hook 'rmail-after-get-new-mail-hook

-		    'display-time-event-handler))

-      (remove-hook 'rmail-after-get-new-mail-hook

-		   'display-time-event-handler))))

-

-(defcustom display-time-mail-face 'mode-line

-  "Face to use for `display-time-mail-string'.

-If `display-time-use-mail-icon' is non-nil, the image's background

-colour is the background of this face.  Set this to a face other than

-`mode-line' to make the mail indicator stand out on a suitable

-display."

-  :group 'faces

-  :group 'display-time

-  :type 'face)

-

-(defvar display-time-mail-icon

-  (find-image '((:type xbm :file "letter.xbm" :ascent center)))

-  "Image specification to offer as the mail indicator on a graphic

-display.  See `display-time-use-mail-icon' and

-`display-time-mail-face'.")

-

-(defcustom display-time-use-mail-icon nil

-  "Non-nil means use an icon as the mail indicator on a graphic display.

-Otherwise use the string \"Mail\".  The icon may consume less of the

-mode line.  It is specified by `display-time-mail-icon'."

-  :group 'display-time

-  :type 'boolean)

-

-(defcustom display-time-format nil

-  "*A string specifying the format for displaying the time in the mode line.

-See the function `format-time-string' for an explanation of

-how to write this string.  If this is nil, the defaults

-depend on `display-time-day-and-date' and `display-time-24hr-format'."

-  :type '(choice (const :tag "Default" nil)

-		 string)

-  :group 'display-time)

-

-(defcustom display-time-string-forms

-  '((if (and (not display-time-format) display-time-day-and-date)

-	(format-time-string "%a %b %e " now)

-      "")

-    (format-time-string (or display-time-format

-			    (if display-time-24hr-format "%H:%M" "%-I:%M%p"))

-			now)

-    load

-    (if mail

-	;; Build the string every time to act on customization.

-	(concat " "

-		(propertize

-		 "Mail"

-		 'display `(when (and display-time-use-mail-icon

-				      (display-graphic-p))

-			     ,@display-time-mail-icon

-			     ,@(list :background (face-attribute

-						  display-time-mail-face

-						  :background)))

-		 'help-echo "mouse-2: Read mail"

-		 'local-map (make-mode-line-mouse2-map read-mail-command)))

-      ""))

-  "*A list of expressions governing display of the time in the mode line.

-For most purposes, you can control the time format using `display-time-format'

-which is a more standard interface.

-

-This expression is a list of expressions that can involve the keywords

-`load', `day', `month', and `year', `12-hours', `24-hours', `minutes',

-`seconds', all numbers in string form, and `monthname', `dayname', `am-pm',

-and `time-zone' all alphabetic strings, and `mail' a true/nil value.

-

-For example, the form

-

-  '((substring year -2) \"/\" month \"/\" day

-    \" \" 24-hours \":\" minutes \":\" seconds

-    (if time-zone \" (\") time-zone (if time-zone \")\")

-    (if mail \" Mail\" \"\"))

-

-would give mode line times like `94/12/30 21:07:48 (UTC)'."

-  :type 'sexp

-  :group 'display-time)

-

-(defun display-time-event-handler ()

-  (display-time-update)

-  ;; Do redisplay right now, if no input pending.

-  (sit-for 0)

-  (let* ((current (current-time))

-	 (timer display-time-timer)

-	 ;; Compute the time when this timer will run again, next.

-	 (next-time (timer-relative-time

-		     (list (aref timer 1) (aref timer 2) (aref timer 3))

-		     (* 5 (aref timer 4)) 0)))

-    ;; If the activation time is far in the past,

-    ;; skip executions until we reach a time in the future.

-    ;; This avoids a long pause if Emacs has been suspended for hours.

-    (or (> (nth 0 next-time) (nth 0 current))

-	(and (= (nth 0 next-time) (nth 0 current))

-	     (> (nth 1 next-time) (nth 1 current)))

-	(and (= (nth 0 next-time) (nth 0 current))

-	     (= (nth 1 next-time) (nth 1 current))

-	     (> (nth 2 next-time) (nth 2 current)))

-	(progn

-	  (timer-set-time timer (timer-next-integral-multiple-of-time

-				 current display-time-interval)

-			  display-time-interval)

-	  (timer-activate timer)))))

-

-;; Update the display-time info for the mode line

-;; but don't redisplay right now.  This is used for

-;; things like Rmail `g' that want to force an update

-;; which can wait for the next redisplay.

-(defun display-time-update ()

-  (let* ((now (current-time))

-	 (time (current-time-string now))

-         (load (condition-case ()

-                   (if (zerop (car (load-average))) ""

-		     ;; The load average number is mysterious, so

-		     ;; propvide some help.

-                     (let ((str (format " %03d" (car (load-average)))))

-		       (propertize

-			(concat (substring str 0 -2) "." (substring str -2))

-			'help-echo "System load average")))

-                 (error "")))

-         (mail-spool-file (or display-time-mail-file

-                              (getenv "MAIL")

-                              (concat rmail-spool-directory

-                                      (user-login-name))))

-	 (mail (or (and display-time-mail-function

-			(funcall display-time-mail-function))

-		   (and (stringp mail-spool-file)

-			(or (null display-time-server-down-time)

-			    ;; If have been down for 20 min, try again.

-			    (> (- (nth 1 now) display-time-server-down-time)

-			       1200)

-			    (and (< (nth 1 now) display-time-server-down-time)

-				 (> (- (nth 1 now) display-time-server-down-time)

-				    -64336)))

-			(let ((start-time (current-time)))

-			  (prog1

-			      (display-time-file-nonempty-p mail-spool-file)

-			    (if (> (- (nth 1 (current-time)) (nth 1 start-time))

-				   20)

-				;; Record that mail file is not accessible.

-				(setq display-time-server-down-time

-				      (nth 1 (current-time)))

-			      ;; Record that mail file is accessible.

-			      (setq display-time-server-down-time nil)))))))

-         (24-hours (substring time 11 13))

-         (hour (string-to-int 24-hours))

-         (12-hours (int-to-string (1+ (% (+ hour 11) 12))))

-         (am-pm (if (>= hour 12) "pm" "am"))

-         (minutes (substring time 14 16))

-         (seconds (substring time 17 19))

-         (time-zone (car (cdr (current-time-zone now))))

-         (day (substring time 8 10))

-         (year (substring time 20 24))

-         (monthname (substring time 4 7))

-         (month

-          (cdr

-           (assoc

-            monthname

-            '(("Jan" . "1") ("Feb" . "2") ("Mar" . "3") ("Apr" . "4")

-              ("May" . "5") ("Jun" . "6") ("Jul" . "7") ("Aug" . "8")

-              ("Sep" . "9") ("Oct" . "10") ("Nov" . "11") ("Dec" . "12")))))

-         (dayname (substring time 0 3)))

-    (setq display-time-string

-          (mapconcat 'eval display-time-string-forms ""))

-    ;; This is inside the let binding, but we are not going to document

-    ;; what variables are available.

-    (run-hooks 'display-time-hook))

-  (force-mode-line-update))

-

-(defun display-time-file-nonempty-p (file)

-  (and (file-exists-p file)

-       (< 0 (nth 7 (file-attributes (file-chase-links file))))))

-

-(if display-time-mode

-    (display-time-mode t))

-

-(provide 'time)

-

-;;; time.el ends here

+
+;; Copyright (C) 1985, 86, 87, 93, 94, 96, 2000 Free Software Foundation, Inc.
+
+;; Maintainer: FSF
+
+;; 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 2, 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; see the file COPYING.  If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Commentary:
+
+;; Facilities to display current time/date and a new-mail indicator
+;; in the Emacs mode line.  The single entry point is `display-time'.
+
+;;; Code:
+
+(defgroup display-time nil
+  "Display time and load in mode line of Emacs."
+  :group 'modeline
+  :group 'mail)
+
+
+;;;###autoload
+(defcustom display-time-mode nil
+  "Toggle display of time, load level, and mail flag in mode lines.
+Setting this variable directly does not take effect;
+use either \\[customize] or the function `display-time-mode'."
+  :set (lambda (symbol value)
+	 (display-time-mode (or value 0)))
+  :initialize 'custom-initialize-default
+  :type 'boolean
+  :group 'display-time
+  :require 'time
+  :version "20.3")
+
+
+(defcustom display-time-mail-file nil
+  "*File name of mail inbox file, for indicating existence of new mail.
+Non-nil and not a string means don't check for mail.  nil means use
+default, which is system-dependent, and is the same as used by Rmail."
+  :type '(choice (const :tag "(None)" none)
+		 (const :tag "Default" nil)
+		 (file :format "%v"))
+  :group 'display-time)
+
+(defcustom display-time-mail-function nil
+  "*Function to call, for indicating existence of new mail.
+nil means use the default method of checking `display-time-mail-file'."
+  :type '(choice (const :tag "Default" nil)
+		 (function))
+  :group 'display-time)
+
+;;;###autoload
+(defcustom display-time-day-and-date nil "\
+*Non-nil means \\[display-time] should display day and date as well as time."
+  :type 'boolean
+  :group 'display-time)
+
+(defvar display-time-timer nil)
+
+(defcustom display-time-interval 60
+  "*Seconds between updates of time in the mode line."
+  :type 'integer
+  :group 'display-time)
+
+(defcustom display-time-24hr-format nil
+  "*Non-nil indicates time should be displayed as hh:mm, 0 <= hh <= 23.
+Nil means 1 <= hh <= 12, and an AM/PM suffix is used."
+  :type 'boolean
+  :group 'display-time)
+
+(defvar display-time-string nil)
+
+(defcustom display-time-hook nil
+  "*List of functions to be called when the time is updated on the mode line."
+  :type 'hook
+  :group 'display-time)
+
+(defvar display-time-server-down-time nil
+   "Time when mail file's file system was recorded to be down.
+If that file system seems to be up, the value is nil.")
+
+;;;###autoload
+(defun display-time ()
+  "Enable display of time, load level, and mail flag in mode lines.
+This display updates automatically every minute.
+If `display-time-day-and-date' is non-nil, the current day and date
+are displayed as well.
+This runs the normal hook `display-time-hook' after each update."
+  (interactive)
+  (display-time-mode 1))
+
+;;;###autoload
+(defun display-time-mode (arg)
+  "Toggle display of time, load level, and mail flag in mode lines.
+With a numeric arg, enable this display if arg is positive.
+
+When this display is enabled, it updates automatically every minute.
+If `display-time-day-and-date' is non-nil, the current day and date
+are displayed as well.
+This runs the normal hook `display-time-hook' after each update."
+  (interactive "P")
+  (let ((on (if (null arg)
+		(not display-time-timer)
+	      (> (prefix-numeric-value arg) 0))))
+    (setq display-time-mode on)
+    (and display-time-timer (cancel-timer display-time-timer))
+    (setq display-time-timer nil)
+    (setq display-time-string "")
+    (or global-mode-string (setq global-mode-string '("")))
+    (if on
+	(progn
+	  (or (memq 'display-time-string global-mode-string)
+	      (setq global-mode-string
+		    (append global-mode-string '(display-time-string))))
+	  ;; Set up the time timer.
+	  (setq display-time-timer
+		(run-at-time t display-time-interval
+			     'display-time-event-handler))
+	  ;; Make the time appear right away.
+	  (display-time-update)
+	  ;; When you get new mail, clear "Mail" from the mode line.
+	  (add-hook 'rmail-after-get-new-mail-hook
+		    'display-time-event-handler))
+      (remove-hook 'rmail-after-get-new-mail-hook
+		   'display-time-event-handler))))
+
+(defcustom display-time-mail-face 'mode-line
+  "Face to use for `display-time-mail-string'.
+If `display-time-use-mail-icon' is non-nil, the image's background
+colour is the background of this face.  Set this to a face other than
+`mode-line' to make the mail indicator stand out on a suitable
+display."
+  :group 'faces
+  :group 'display-time
+  :type 'face)
+
+(defvar display-time-mail-icon
+  (find-image '((:type xbm :file "letter.xbm" :ascent center)))
+  "Image specification to offer as the mail indicator on a graphic
+display.  See `display-time-use-mail-icon' and
+`display-time-mail-face'.")
+
+(defcustom display-time-use-mail-icon nil
+  "Non-nil means use an icon as the mail indicator on a graphic display.
+Otherwise use the string \"Mail\".  The icon may consume less of the
+mode line.  It is specified by `display-time-mail-icon'."
+  :group 'display-time
+  :type 'boolean)
+
+(defcustom display-time-format nil
+  "*A string specifying the format for displaying the time in the mode line.
+See the function `format-time-string' for an explanation of
+how to write this string.  If this is nil, the defaults
+depend on `display-time-day-and-date' and `display-time-24hr-format'."
+  :type '(choice (const :tag "Default" nil)
+		 string)
+  :group 'display-time)
+
+(defcustom display-time-string-forms
+  '((if (and (not display-time-format) display-time-day-and-date)
+	(format-time-string "%a %b %e " now)
+      "")
+    (format-time-string (or display-time-format
+			    (if display-time-24hr-format "%H:%M" "%-I:%M%p"))
+			now)
+    load
+    (if mail
+	;; Build the string every time to act on customization.
+	(concat " "
+		(propertize
+		 "Mail"
+		 'display `(when (and display-time-use-mail-icon
+				      (display-graphic-p))
+			     ,@display-time-mail-icon
+			     ,@(list :background (face-attribute
+						  display-time-mail-face
+						  :background)))
+		 'help-echo "mouse-2: Read mail"
+		 'local-map (make-mode-line-mouse2-map read-mail-command)))
+      ""))
+  "*A list of expressions governing display of the time in the mode line.
+For most purposes, you can control the time format using `display-time-format'
+which is a more standard interface.
+
+This expression is a list of expressions that can involve the keywords
+`load', `day', `month', and `year', `12-hours', `24-hours', `minutes',
+`seconds', all numbers in string form, and `monthname', `dayname', `am-pm',
+and `time-zone' all alphabetic strings, and `mail' a true/nil value.
+
+For example, the form
+
+  '((substring year -2) \"/\" month \"/\" day
+    \" \" 24-hours \":\" minutes \":\" seconds
+    (if time-zone \" (\") time-zone (if time-zone \")\")
+    (if mail \" Mail\" \"\"))
+
+would give mode line times like `94/12/30 21:07:48 (UTC)'."
+  :type 'sexp
+  :group 'display-time)
+
+(defun display-time-event-handler ()
+  (display-time-update)
+  ;; Do redisplay right now, if no input pending.
+  (sit-for 0)
+  (let* ((current (current-time))
+	 (timer display-time-timer)
+	 ;; Compute the time when this timer will run again, next.
+	 (next-time (timer-relative-time
+		     (list (aref timer 1) (aref timer 2) (aref timer 3))
+		     (* 5 (aref timer 4)) 0)))
+    ;; If the activation time is far in the past,
+    ;; skip executions until we reach a time in the future.
+    ;; This avoids a long pause if Emacs has been suspended for hours.
+    (or (> (nth 0 next-time) (nth 0 current))
+	(and (= (nth 0 next-time) (nth 0 current))
+	     (> (nth 1 next-time) (nth 1 current)))
+	(and (= (nth 0 next-time) (nth 0 current))
+	     (= (nth 1 next-time) (nth 1 current))
+	     (> (nth 2 next-time) (nth 2 current)))
+	(progn
+	  (timer-set-time timer (timer-next-integral-multiple-of-time
+				 current display-time-interval)
+			  display-time-interval)
+	  (timer-activate timer)))))
+
+;; Update the display-time info for the mode line
+;; but don't redisplay right now.  This is used for
+;; things like Rmail `g' that want to force an update
+;; which can wait for the next redisplay.
+(defun display-time-update ()
+  (let* ((now (current-time))
+	 (time (current-time-string now))
+         (load (condition-case ()
+                   (if (zerop (car (load-average))) ""
+		     ;; The load average number is mysterious, so
+		     ;; propvide some help.
+                     (let ((str (format " %03d" (car (load-average)))))
+		       (propertize
+			(concat (substring str 0 -2) "." (substring str -2))
+			'help-echo "System load average")))
+                 (error "")))
+         (mail-spool-file (or display-time-mail-file
+                              (getenv "MAIL")
+                              (concat rmail-spool-directory
+                                      (user-login-name))))
+	 (mail (or (and display-time-mail-function
+			(funcall display-time-mail-function))
+		   (and (stringp mail-spool-file)
+			(or (null display-time-server-down-time)
+			    ;; If have been down for 20 min, try again.
+			    (> (- (nth 1 now) display-time-server-down-time)
+			       1200)
+			    (and (< (nth 1 now) display-time-server-down-time)
+				 (> (- (nth 1 now) display-time-server-down-time)
+				    -64336)))
+			(let ((start-time (current-time)))
+			  (prog1
+			      (display-time-file-nonempty-p mail-spool-file)
+			    (if (> (- (nth 1 (current-time)) (nth 1 start-time))
+				   20)
+				;; Record that mail file is not accessible.
+				(setq display-time-server-down-time
+				      (nth 1 (current-time)))
+			      ;; Record that mail file is accessible.
+			      (setq display-time-server-down-time nil)))))))
+         (24-hours (substring time 11 13))
+         (hour (string-to-int 24-hours))
+         (12-hours (int-to-string (1+ (% (+ hour 11) 12))))
+         (am-pm (if (>= hour 12) "pm" "am"))
+         (minutes (substring time 14 16))
+         (seconds (substring time 17 19))
+         (time-zone (car (cdr (current-time-zone now))))
+         (day (substring time 8 10))
+         (year (substring time 20 24))
+         (monthname (substring time 4 7))
+         (month
+          (cdr
+           (assoc
+            monthname
+            '(("Jan" . "1") ("Feb" . "2") ("Mar" . "3") ("Apr" . "4")
+              ("May" . "5") ("Jun" . "6") ("Jul" . "7") ("Aug" . "8")
+              ("Sep" . "9") ("Oct" . "10") ("Nov" . "11") ("Dec" . "12")))))
+         (dayname (substring time 0 3)))
+    (setq display-time-string
+          (mapconcat 'eval display-time-string-forms ""))
+    ;; This is inside the let binding, but we are not going to document
+    ;; what variables are available.
+    (run-hooks 'display-time-hook))
+  (force-mode-line-update))
+
+(defun display-time-file-nonempty-p (file)
+  (and (file-exists-p file)
+       (< 0 (nth 7 (file-attributes (file-chase-links file))))))
+
+(if display-time-mode
+    (display-time-mode t))
+
+(provide 'time)
+
+;;; time.el ends here