Bugfix. lyskom-edit-mode

src/edit-text.el

@@ -237,7 +237,8 @@ Entry to this mode runs lyskom-edit-mode-hook."
   (lyskom-clear-vars)
   (setq mode-line-buffer-identification '("LysKOM (server: %b)"))
   (run-hooks 'lyskom-edit-mode-mode-hook)
-  (setq lyskom-edit-mode-mode-map (copy-keymap (current-local-map)))
+  (setq lyskom-edit-mode-mode-map (and (current-local-map)
+				       (copy-keymap (current-local-map))))
   (setq major-mode 'lyskom-edit-mode)
   (setq mode-name lyskom-edit-mode-name)
   (setq buffer-offer-save t)