-void grammar_start_symbol_set (symbol_t *s, location_t l);
-void prologue_augment (const char *prologue, location_t location);
-void epilogue_augment (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_start_symbol_set (symbol *sym, location loc);
+void prologue_augment (const char *prologue, location loc);
+void grammar_symbol_append (symbol *sym, location loc);
+void grammar_rule_begin (symbol *lhs, location loc);
+void grammar_rule_end (location loc);