outline-minor-mode-prefix is a key sequence, not a string

* lisp/outline.el (outline-minor-mode-prefix): Fix the type (bug#41072).

diff --git a/lisp/outline.el b/lisp/outline.el
index d2a5d42d74ae1dd643ae24c82080c47a17ef2450..aa8ed58ad9cab4c90b63ceb0ed1ad868a5f89f41 100644 (file)
--- a/lisp/outline.el
+++ b/lisp/outline.el
@@ -295,7 +295,7 @@ Turning on outline mode calls the value of `text-mode-hook' and then of
   "Prefix key to use for Outline commands in Outline minor mode.
 The value of this variable is checked as part of loading Outline mode.
 After that, changing the prefix key requires manipulating keymaps."
-  :type 'string
+  :type 'key-sequence
   :group 'outlines
   :set (lambda (sym val)
          (define-key outline-minor-mode-map outline-minor-mode-prefix nil)