anchor.diff:  			    TimeOut
   		    end;
   		{error, Reason} ->
  -		    {error, Reason};
  +		    {error, format_channel_start_error(Reason)};
   		ignore ->
   		    {error, ignore}
   	    end;
  
positive.code: 			    TimeOut
  		    end;
  		{error, Reason} ->
  		    {error, Reason};
  		ignore ->
  		    {error, ignore}
  	    end;
  
negative.code:     BufHandle = make_ref(),
      call(Pid, {put_bufinf,BufHandle,BufInfo}, FileOpTimeout),
      {ok,BufHandle}.
  
  format_channel_start_error({shutdown, Reason}) ->
      Reason;
  format_channel_start_error(Reason) ->
      Reason.
  