(mpuz-switch-to-window): Set buffer-read-only directly.

diff --git a/lisp/play/mpuz.el b/lisp/play/mpuz.el
index 63de2bcb2d9ce073c4a2249229ac7f9dda89ba83..f7ded1a360e9a081d44565a2ab0df302ce3b31df 100644 (file)
--- a/lisp/play/mpuz.el
+++ b/lisp/play/mpuz.el
@@ -367,7 +367,7 @@ You may abort a game by typing \\<mpuz-mode-map>\\[mpuz-offer-abort]."
   (let ((buf (mpuz-get-buffer)))
     (or buf (setq buf (mpuz-create-buffer)))
     (switch-to-buffer buf)
-    (or buffer-read-only (toggle-read-only))
+    (setq buffer-read-only t)
     (mpuz-mode)))
 
 \f