| Index (_,_,uri) -> "Indexing " ^ UriManager.string_of_uri uri
| Coercion (_, t, do_composites, i, j) ->
pp_coercion ~term_pp t do_composites i j
| Index (_,_,uri) -> "Indexing " ^ UriManager.string_of_uri uri
| Coercion (_, t, do_composites, i, j) ->
pp_coercion ~term_pp t do_composites i j