module Buf:sig..end
type buf
val create : int -> bufcreate n creates the buffer which initially can contain
n Unicode characters.val contents : buf -> CamomileLibrary.Type.UText.t
val contents_string : buf -> CamomileLibrary.Type.UText.ustring
val length : buf -> int
val clear : buf -> unit
val reset : buf -> unit
val add_char : buf -> CamomileLibrary.Type.UChar.t -> unit
val add_string : buf ->
'a CamomileLibrary.Type.UText.text -> unit
val add_buffer : buf ->
buf -> unit