| Coercion (_, uri, do_composites, i) -> pp_coercion uri do_composites i
| Default (_,what,uris) -> pp_default what uris
| Drop _ -> "drop"
| Coercion (_, uri, do_composites, i) -> pp_coercion uri do_composites i
| Default (_,what,uris) -> pp_default what uris
| Drop _ -> "drop"