/* From reader.c. */
void grammar_start_symbol_set (symbol *sym, location loc);
-void prologue_augment (const char *prologue, location loc);
+void prologue_augment (const char *prologue, location loc, bool post);
void grammar_current_rule_begin (symbol *lhs, location loc);
void grammar_current_rule_end (location loc);
void grammar_midrule_action (void);