   ;; Tell paradox that we won't give it a GitHub token.
   (setq paradox-github-token t)
 
+  ;; Namespace window numbers by frame.
+  (setq winum-scope 'frame-local)
+
   ;; Reduce the list of supported VC backends. This improves performance as it
-  ;; does less when trying to autodetect source control meta-data.
+  ;; does less when trying to autodetect source control metadata.
   (setq vc-handled-backends '(Git))
 
   ;; Hide the useless helm lighter.

          (modify-frame-parameters nil `((xterm-title . ,new-title)))))))
  (add-hook 'buffer-list-update-hook #'my-tty-update-title)

  ;; Some glyphs in this font can cause Emacs to crash.
  ;; https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=892611
  ;; https://github.com/syl20bnr/spacemacs/issues/10695

  ;; The GTK system tooltips do not take HiDPI into account, thus placing the tooltips incorrectly.
  (setq x-gtk-use-system-tooltips nil)

  (spacemacs/set-leader-keys "o'" #'lisp-sandbox)

  (defun set-require-final-newline ()
