C.AMutConstruct (fresh_id'', uri, tyno, consno, exp_named_subst')
| C.MutCase (uri, tyno, outty, term, patterns) ->
xxx_add ids_to_inner_sorts fresh_id'' innersort ;
C.AMutConstruct (fresh_id'', uri, tyno, consno, exp_named_subst')
| C.MutCase (uri, tyno, outty, term, patterns) ->
xxx_add ids_to_inner_sorts fresh_id'' innersort ;