Kdl.Num module, including Kdl.Num.to_{string,float,int,int32,int64,nativeint} and other functions.Kdl.L: Added (.@!()) and (.@!())<- indexing operators as raising versions of (.@()) and (.@()<-), added KDL.L.first_arg.interpret now raises Invalid_annotation instead of Failure.i8, i16, etc. wrappers over interpret have been removed.of_chunk_gen{,exn}. Removed the show, show_error, from_string{,exn} aliases. Renamed from_channel{,exn} to of_channel{,exn}.pp_error, pp_typed_value.Initial experimental release.