updated for version 7.3.813
Problem:    The CompleteDone event is not triggered when there are no pattern
            matches. (Jianjun Mao)
Solution:   Trigger the event. (Christian Brabandt)
diff --git a/src/edit.c b/src/edit.c
index 50c1fca..3a04665 100644
--- a/src/edit.c
+++ b/src/edit.c
@@ -3846,6 +3846,12 @@
 #endif
 	}
     }
+#ifdef FEAT_AUTOCMD
+    else if (ctrl_x_mode == CTRL_X_LOCAL_MSG)
+	/* Trigger the CompleteDone event to give scripts a chance to act
+	 * upon the (possibly failed) completion. */
+	apply_autocmds(EVENT_COMPLETEDONE, NULL, NULL, FALSE, curbuf);
+#endif
 
     /* reset continue_* if we left expansion-mode, if we stay they'll be
      * (re)set properly in ins_complete() */