(autoload 
  'wld-mode 
  "wld.el" 
  "Major mode for wld-files" 
  t)

(autoload 
  'diku
  "mud.el"
  nil
  t)

(setq auto-mode-alist
      (cons '("\\.wld$" . wld-mode) 
	    auto-mode-alist))