updated for version 7.3.598

Problem:    Cannot act upon end of completion. (Taro Muraoka)
Solution:   Add an autocommand event that is triggered when completion has
            finished. (Idea by Florian Klein)

src/edit.c

@@ -3823,6 +3823,11 @@ ins_compl_prep(c)
 	     */
 	    if (want_cindent && in_cinkeys(KEY_COMPLETE, ' ', inindent(0)))
 		do_c_expr_indent();
+#endif
+#ifdef FEAT_AUTOCMD
+	    /* Trigger the CompleteDone event to give scripts a chance to act
+	     * upon the completion. */
+	    apply_autocmds(EVENT_COMPLETEDONE, NULL, NULL, FALSE, curbuf);
 #endif
 	}
     }