diff options
Diffstat (limited to 'lisp/emacs-lisp/subr-x.el')
-rw-r--r-- | lisp/emacs-lisp/subr-x.el | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/subr-x.el b/lisp/emacs-lisp/subr-x.el index 647397e7f7b..7ad4e9ba2ab 100644 --- a/lisp/emacs-lisp/subr-x.el +++ b/lisp/emacs-lisp/subr-x.el @@ -446,7 +446,10 @@ is inserted before adjusting the number of empty lines." "Return the width of STRING in pixels." (if (zerop (length string)) 0 - (with-temp-buffer + ;; Keeping a work buffer around is more efficient than creating a + ;; new temporary buffer. + (with-current-buffer (get-buffer-create " *string-pixel-width*") + (delete-region (point-min) (point-max)) (insert string) (car (buffer-text-pixel-size nil nil t))))) |