anchor.diff:    LConverter: TWiRLConverter;
     LRttiType: TRttiType;
   begin
  +  if AValue = '' then
  +    Exit(TValue.Empty);
  +
     LRttiType := TRttiHelper.Context.GetType(ATypeInfo);
     LConverter := TWiRLConverterRegistry.Instance.GetConverter(LRttiType, AFormat);
     try
  
positive.code: procedure TWiRLFormatSetting.SetUseUTCDate(const Value: Boolean);
  begin
    if Value then
      Params[USE_UTC_DATE_INDEX] := 'UTF'
    else
      Params[USE_UTC_DATE_INDEX] := 'NOUTF';
  end;
  
  { TDefaultCurrencyConverter }
  
negative.code: 
  function TWiRLFormatSetting.GetUseUTCDate: Boolean;
  begin
    Result := Params[USE_UTC_DATE_INDEX] <> TWiRLFormatSetting.NOUTC;
  end;
  
  class operator TWiRLFormatSetting.Implicit(
  