def su(root, val): set_user_metadata(root, read_prefixes(root), read_refines(root), val) return ru(root)
def su(root, val): set_user_metadata(root, read_prefixes(root), read_refines(root), val) return ru(root)
def su(root, val): set_user_metadata(root, read_prefixes(root), read_refines(root), val) return ru(root)
def su(root, val): set_user_metadata(root, read_prefixes(root), read_refines(root), val) return ru(root)