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[gnu-emacs] / lisp / paren.el

diff --git a/lisp/paren.el b/lisp/paren.el
index 2d6c42478e18453a7e182d0032b2c7f1aeada854..ab856380d3f6dcf8d6c0c8ba4a59857b4614991a 100644 (file)
--- a/lisp/paren.el
+++ b/lisp/paren.el
@@ -52,8 +52,17 @@ otherwise)."
   :group 'paren-showing)
 
 (defcustom show-paren-delay 0.125
-  "Time in seconds to delay before showing a matching paren."
+  "Time in seconds to delay before showing a matching paren.
+If you change this without using customize while `show-paren-mode' is
+active, you must toggle the mode off and on again for this to take effect."
   :type '(number :tag "seconds")
+  :initialize 'custom-initialize-default
+  :set (lambda (sym val)
+        (if (not show-paren-mode)
+            (set sym val)
+          (show-paren-mode -1)
+          (set sym val)
+          (show-paren-mode 1)))
   :group 'paren-showing)
 
 (defcustom show-paren-priority 1000