(custom-variable-prompt): Ensure valid variable name

is selected.

diff --git a/lisp/cus-edit.el b/lisp/cus-edit.el
index d1d8ad3d045ca9820e2d5a752e2e89a1e028aa7a..35e32afbb6c20bbc87bd2f56254864088dcc4aeb 100644 (file)
--- a/lisp/cus-edit.el
+++ b/lisp/cus-edit.el
@@ -408,7 +408,7 @@ Return a list suitable for use in `interactive'."
                obarray (lambda (symbol)
                          (and (boundp symbol)
                               (or (get symbol 'custom-type)
-                                  (user-variable-p symbol))))))
+                                  (user-variable-p symbol)))) t))
      (list (if (equal val "")
               (if (symbolp v) v nil)
             (intern val)))))