From 5c709bd605d39032362a2850321615faed4d1eb3 Mon Sep 17 00:00:00 2001
From: Juri Linkov <juri@linkov.net>
Date: Sun, 20 Nov 2022 20:02:20 +0200
Subject: [PATCH] Disable display-line-numbers-mode in string-pixel-width
(bug#59311)
* lisp/emacs-lisp/subr-x.el (string-pixel-width):
Turn off display-line-numbers-mode when it's enabled.
---
lisp/emacs-lisp/subr-x.el | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lisp/emacs-lisp/subr-x.el b/lisp/emacs-lisp/subr-x.el
index 6e4d88b4df3..18087bc937f 100644
--- a/lisp/emacs-lisp/subr-x.el
+++ b/lisp/emacs-lisp/subr-x.el
@@ -322,6 +322,10 @@ as the new values of the bound variables in the recursive invocation."
;; Keeping a work buffer around is more efficient than creating a
;; new temporary buffer.
(with-current-buffer (get-buffer-create " *string-pixel-width*")
+ ;; `display-line-numbers-mode' is enabled in internal buffers
+ ;; that breaks width calculation, so need to disable (bug#59311)
+ (when (bound-and-true-p display-line-numbers-mode)
+ (display-line-numbers-mode -1))
(delete-region (point-min) (point-max))
(insert string)
(car (buffer-text-pixel-size nil nil t)))))
--
2.39.5