-__interface PrelErr 1 where
-__export PrelException fail catch;
-1 fail :: __forall [a] => PrelIOBase.IOError -> PrelIOBase.IO a ;
-1 catch :: __forall [a] => PrelIOBase.IO a -> (PrelIOBase.IOError -> PrelIOBase.IO a) -> PrelIOBase.IO a ;
+__interface PrelException 1 0 where
+__export PrelException ioError catch;
+1 ioError :: __forall [a] => PrelIOBase.IOError -> PrelIOBase.IO a ;
+1 catch :: __forall [a] => PrelIOBase.IO a -> (PrelIOBase.IOError -> PrelIOBase.IO a) -> PrelIOBase.IO a ; -- wish there could be more __o's here. KSW 1999-04.
+