-void grammar_current_rule_symbol_append (symbol *sym, location loc);
-void grammar_current_rule_action_append (const char *action, location loc);
+void grammar_current_rule_symbol_append (symbol *sym, location loc,
+ named_ref *nref);
+void grammar_current_rule_action_append (const char *action, location loc,
+ named_ref *nref, bool);