Make two variables for extended command suggestions mention each other

* lisp/simple.el (suggest-key-bindings):
(extended-command-suggest-shorter): Mention each other, because
they are vaguely related (bug#35309).

diff --git a/lisp/simple.el b/lisp/simple.el
index 5f27b75a4c770ffb96e69331a1f623b0faf23957..983a3b6973d9fcf017a8cad994aba16d0672d365 100644 (file)
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -1784,14 +1784,18 @@ to get different commands to edit and resubmit."
 (defcustom suggest-key-bindings t
   "Non-nil means show the equivalent key-binding when M-x command has one.
 The value can be a length of time to show the message for.
-If the value is non-nil and not a number, we wait 2 seconds."
+If the value is non-nil and not a number, we wait 2 seconds.
+
+Also see `extended-command-suggest-shorter'."
   :group 'keyboard
   :type '(choice (const :tag "off" nil)
                  (integer :tag "time" 2)
                  (other :tag "on")))
 
 (defcustom extended-command-suggest-shorter t
-  "If non-nil, show a shorter M-x invocation when there is one."
+  "If non-nil, show a shorter M-x invocation when there is one.
+
+Also see `suggest-key-bindings'."
   :group 'keyboard
   :type 'boolean
   :version "26.1")