/* The action of the rule R contains $$, $1 etc. referring to the values
of the rule R. */
-const char *translate_rule_action (symbol_list *r);
+char *translate_rule_action (symbol_list *r);
/* The action A refers to $$ and @$ only, referring to a symbol. */
-const char *translate_symbol_action (const char *a, location l);
+char *translate_symbol_action (const char *a, location l);
/* The action contains no special escapes, just protect M4 special
symbols. */
-const char *translate_code (const char *a, location l);
+char *translate_code (const char *a, location l);
#endif /* !SCAN_CODE_H_ */