(dungeon-nil): Explicitly return nil.

diff --git a/lisp/play/dunnet.el b/lisp/play/dunnet.el
index 16fd365d969f47a656d61ae7f98b6ad707fee9b4..26a57133f262e881c86cb8f392f7e71f903dd31c 100644 (file)
--- a/lisp/play/dunnet.el
+++ b/lisp/play/dunnet.el
@@ -3340,7 +3340,8 @@ File not found")))
 
 (defun dungeon-nil (arg)
   "noop"
-  (interactive "*p"))
+  (interactive "*p")
+  nil)
 
 (defun dun-batch-dungeon ()
   (load "dun-batch")