From 612960d4b3a99c169e28604503e8f70c67fa230d Mon Sep 17 00:00:00 2001
From: Eli Zaretskii <eliz@gnu.org>
Date: Tue, 21 Apr 2026 16:25:29 +0300
Subject: [PATCH] Fix 'toggle-truncate-lines' when 'visual-line-mode' is ON

* lisp/simple.el (toggle-truncate-lines): Force 'truncate-lines'
non-nil, even if visual-line-mode needs to be turned off.
(Bug#80741)
---
 lisp/simple.el | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lisp/simple.el b/lisp/simple.el
index ff7ffafa3a1..441f7ff3440 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -9310,6 +9310,7 @@ non-nil."
            (if (and truncate-lines visual-line-mode)
                (progn
                  (visual-line-mode -1)
+                 (setq truncate-lines t)
                  (format-message " and `visual-line-mode' disabled"))
              "")))