Fix 'minibuffer-default-add-function' default value

diff --git a/lisp/simple.el b/lisp/simple.el
index 4ddfe923d75fe238e17dcbe4bc61a0848d7b80a1..f5cc2db4511fe9698627263b8649749da2d7f89c 100644 (file)
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -3052,7 +3052,7 @@ makes the search case-sensitive."
 
 (defvar minibuffer-temporary-goal-position nil)
 
-(defvar minibuffer-default-add-function 'ignore
+(defvar minibuffer-default-add-function nil
   "Function run by `goto-history-element' before consuming default values.
 This is useful to dynamically add more elements to the list of default values
 when `goto-history-element' reaches the end of this list.