extern void miracle_unit_report_list( miracle_unit unit, valerie_response response );
extern void miracle_unit_allow_stdin( miracle_unit unit, int flag );
extern valerie_error_code miracle_unit_load( miracle_unit unit, char *clip, double in, double out, int flush );
-extern valerie_error_code miracle_unit_insert( miracle_unit unit, const char *clip, int index, double in, double out );
+extern valerie_error_code miracle_unit_insert( miracle_unit unit, char *clip, int index, double in, double out );
extern valerie_error_code miracle_unit_append( miracle_unit unit, char *clip, double in, double out );
extern valerie_error_code miracle_unit_remove( miracle_unit unit, int index );
extern valerie_error_code miracle_unit_clean( miracle_unit unit );