sig
type buf = Buffer.t
val create : int -> Extlib.ExtUTF8.UTF8.Buf.buf
val contents : Extlib.ExtUTF8.UTF8.Buf.buf -> Extlib.ExtUTF8.UTF8.t
val clear : Extlib.ExtUTF8.UTF8.Buf.buf -> unit
val reset : Extlib.ExtUTF8.UTF8.Buf.buf -> unit
val add_char :
Extlib.ExtUTF8.UTF8.Buf.buf -> Extlib.ExtUChar.UChar.t -> unit
val add_string :
Extlib.ExtUTF8.UTF8.Buf.buf -> Extlib.ExtUTF8.UTF8.t -> unit
val add_buffer :
Extlib.ExtUTF8.UTF8.Buf.buf -> Extlib.ExtUTF8.UTF8.Buf.buf -> unit
end