sig
type 'a folder = 'a -> string -> 'a
val fold_utf_8 :
[< Uuseg.boundary ] -> 'a Uuseg_string.folder -> 'a -> string -> 'a
val fold_utf_16be :
[< Uuseg.boundary ] -> 'a Uuseg_string.folder -> 'a -> string -> 'a
val fold_utf_16le :
[< Uuseg.boundary ] -> 'a Uuseg_string.folder -> 'a -> string -> 'a
val pp_utf_8 : Format.formatter -> string -> unit
val pp_utf_8_text : Format.formatter -> string -> unit
val pp_utf_8_lines : Format.formatter -> string -> unit
end