+#if defined(UTF2000) || defined(HAVE_CONCORD)
+extern Lisp_Object Q_denotational;
+extern Lisp_Object Q_denotational_from;
+extern Lisp_Object Q_subsumptive;
+extern Lisp_Object Q_subsumptive_from;
+#endif
+
+#ifdef HAVE_CONCORD
+extern Lisp_Object Vchise_system_db_directory;
+#endif
+