From: Richard M. Stallman <rms@gnu.org>
Date: Tue, 13 Aug 2002 01:48:42 +0000 (+0000)
Subject: (toggle-truncate-lines): Force redisplay.  Display status message.
X-Git-Tag: ttn-vms-21-2-B4~13708
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=46cdfe8f2e6f4e6c7ee61e9b9c8d7185598021a0;p=emacs.git

(toggle-truncate-lines): Force redisplay.  Display status message.
---

diff --git a/lisp/simple.el b/lisp/simple.el
index 6b2700f5b7f..ff10343b597 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -3195,12 +3195,16 @@ The variable `selective-display' has a separate value for each buffer."
 
 (defun toggle-truncate-lines (arg)
   "Toggle whether to fold or truncate long lines on the screen.
-With arg, truncate long lines iff arg is positive."
+With arg, truncate long lines iff arg is positive.
+Note that in side-by-side windows, truncation is always enabled."
   (interactive "P")
   (setq truncate-lines
 	(if (null arg)
 	    (not truncate-lines)
-	  (> (prefix-numeric-value arg) 0))))
+	  (> (prefix-numeric-value arg) 0)))
+  (force-mode-line-update)
+  (message "Truncate long lines %s"
+	   (if truncate-lines "enabled" "disabled")))
 
 (defvar overwrite-mode-textual " Ovwrt"
   "The string displayed in the mode line when in overwrite mode.")