anchor.diff:  
   -include("dbus.hrl").
   
  --compile([export_all]).
  -
   -behaviour(gen_server).
   
   %% api
  --export([start_link/3, stop/1]).
  +-export([
  +	 start_link/3,
  +	 stop/1,
  +	 interface/2,
  +	 call/3,
  +	 cast/3
  +	]).
   
   %% gen_server callbacks
   -export([init/1,
  
positive.code:     {noreply, State}.
  
  
  terminate(_Reason, State) ->
      terminated.
  
  fetch_interface(IfaceName, Node) ->
  
negative.code:     {noreply, State}.
  
  
  handle_info({reply, _Header, Body, introspect}, State) ->
      [XmlBody] = Body,
      Node = introspect:from_xml_string(XmlBody),
  %%     error_logger:info_msg("introspect ~p: ~p~n", [?MODULE, Node]),
  