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* bug#18467: 24.4.50; calendar-update-mode-line: Do not overwrite mode-line-format unconditionally
@ 2014-09-13  9:48 Christopher Schmidt
  2014-09-13 16:42 ` Glenn Morris
  0 siblings, 1 reply; 3+ messages in thread
From: Christopher Schmidt @ 2014-09-13  9:48 UTC (permalink / raw)
  To: 18467

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severity: wishlist


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--- lisp/ChangeLog
+++ lisp/ChangeLog
@@ -1,3 +1,9 @@
+2014-09-13  Christopher Schmidt  <ch@ristopher.com>
+
+	* calendar/calendar.el (calendar-update-mode-line):
+	Do not overwrite mode-line-format if calendar-mode-line-format is
+	nil.  (Bug##)
+
 2014-09-13  Eli Zaretskii  <eliz@gnu.org>

        * mail/rmailmm.el (rmail-mime-insert-html): Decode the HTML part
--- lisp/calendar/calendar.el
+++ lisp/calendar/calendar.el
@@ -1804,14 +1804,18 @@
                               nil "today"))
    '(calendar-date-string (calendar-current-date) t)
    (calendar-mode-line-entry 'calendar-scroll-left "next month" ">"))
-  "The mode line of the calendar buffer.
+  "If non-nil, the mode line of the calendar buffer.
 This is a list of items that evaluate to strings.  The elements
 are evaluated and concatenated, evenly separated by blanks.
 During evaluation, the variable `date' is available as the date
 nearest the cursor (or today's date if that fails).  To update
-the mode-line as the cursor moves, add `calendar-update-mode-line'
-to `calendar-move-hook'.  Here is an example that has the Hebrew date,
-the day number/days remaining in the year, and the ISO week/year numbers:
+the mode-line as the cursor moves, add
+`calendar-update-mode-line' to `calendar-move-hook'.
+
+If nil, do not modify the mode line at all.
+
+Here is an example that has the Hebrew date, the day number/days
+remaining in the year, and the ISO week/year numbers:

   (list
    \"\"
@@ -1889,7 +1893,8 @@

 (defun calendar-update-mode-line ()
   "Update the calendar mode line with the current date and date style."
-  (if (bufferp (get-buffer calendar-buffer))
+  (if (and calendar-mode-line-format
+           (bufferp (get-buffer calendar-buffer)))
       (with-current-buffer calendar-buffer
         (let ((start (- calendar-left-margin 2))
               (date (condition-case nil

^ permalink raw reply	[flat|nested] 3+ messages in thread

* bug#18467: 24.4.50; calendar-update-mode-line: Do not overwrite mode-line-format unconditionally
  2014-09-13  9:48 bug#18467: 24.4.50; calendar-update-mode-line: Do not overwrite mode-line-format unconditionally Christopher Schmidt
@ 2014-09-13 16:42 ` Glenn Morris
  2014-09-13 17:54   ` Christopher Schmidt
  0 siblings, 1 reply; 3+ messages in thread
From: Glenn Morris @ 2014-09-13 16:42 UTC (permalink / raw)
  To: Christopher Schmidt; +Cc: 18467


Fine by me; please apply to trunk, maybe with a 1-line mention in NEWS?
Thanks.





^ permalink raw reply	[flat|nested] 3+ messages in thread

* bug#18467: 24.4.50; calendar-update-mode-line: Do not overwrite mode-line-format unconditionally
  2014-09-13 16:42 ` Glenn Morris
@ 2014-09-13 17:54   ` Christopher Schmidt
  0 siblings, 0 replies; 3+ messages in thread
From: Christopher Schmidt @ 2014-09-13 17:54 UTC (permalink / raw)
  To: 18467-done

Glenn Morris <rgm@gnu.org> writes:
> Fine by me; please apply to trunk, maybe with a 1-line mention in
> NEWS?  Thanks.

Thanks; done.





^ permalink raw reply	[flat|nested] 3+ messages in thread

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2014-09-13  9:48 bug#18467: 24.4.50; calendar-update-mode-line: Do not overwrite mode-line-format unconditionally Christopher Schmidt
2014-09-13 16:42 ` Glenn Morris
2014-09-13 17:54   ` Christopher Schmidt

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