-void grammar_start_symbol_set PARAMS ((symbol_t *s, location_t l));
-void prologue_augment PARAMS ((const char *prologue, location_t location));
-void epilogue_set PARAMS ((const char *epilogue, location_t location));
-void grammar_symbol_append PARAMS ((symbol_t *s, location_t l));
-void grammar_rule_begin PARAMS ((symbol_t *lhs, location_t l));
-void grammar_rule_end PARAMS ((location_t l));
-void grammar_midrule_action PARAMS ((void));
-void grammar_current_rule_prec_set PARAMS ((symbol_t *precsym));
-void grammar_current_rule_symbol_append PARAMS ((symbol_t *symbol,
- location_t l));
-void grammar_current_rule_action_append PARAMS ((const char *action,
- location_t l));
+void grammar_start_symbol_set (symbol_t *s, location_t l);
+void prologue_augment (const char *prologue, location_t location);
+void epilogue_set (const char *epilogue, location_t location);
+void grammar_symbol_append (symbol_t *s, location_t l);
+void grammar_rule_begin (symbol_t *lhs, location_t l);
+void grammar_rule_end (location_t l);
+void grammar_midrule_action (void);
+void grammar_current_rule_prec_set (symbol_t *precsym, location_t l);
+void grammar_current_rule_dprec_set (int dprec, location_t l);
+void grammar_current_rule_merge_set (const char* name, location_t l);
+
+void grammar_current_rule_symbol_append (symbol_t *symbol, location_t l);
+void grammar_current_rule_action_append (const char *action, location_t l);