type html_tag = [ `BR | `L of html_tag list | `T of string ]
type html_msg = [ `Error of html_tag | `Msg of html_tag ]

val string_of_html_msg: html_msg -> string
val html_of_html_msg: html_msg -> string

class html_logger:
  ?width:int -> ?height:int -> ?packing:(GObj.widget -> unit) -> ?show:bool ->
    unit ->
      object
          (* in all methods below "append_NL" defaults to true *)

          (** log an HTML like message, see minimal markup above *)
        method log: ?append_NL:bool -> html_msg -> unit

          (** log a cic messages as degined in CicLogger *)
        method log_cic_msg: ?append_NL:bool -> CicLogger.msg -> unit

      end