module Buf:Character buffers. Similar to Buffer.sig..end
type buf
val create : int -> bufcreate n creates the buffer. n is used to determine
the initial size of the buffer. The meaning of n differs from
modules to modules.val contents : buf ->
CamomileLibrary.UnicodeString.Type.tval clear : buf -> unitval reset : buf -> unitval add_char : buf -> CamomileLibrary.UChar.t -> unitval add_string : buf ->
CamomileLibrary.UnicodeString.Type.t -> unitval add_buffer : buf ->
buf -> unit