anchor.diff:      function BorderStyleNotBlank: Boolean;
       function Collapse: Boolean;
       function GetBackgroundColor: TColor;
  -    function GetBackgroundImage(out Image: ThtString): Boolean;
  +    function GetBackgroundImage(var Image: ThtString): Boolean;
       function GetBorderStyle(Index: PropIndices; var BorderStyle: BorderStyleType): Boolean;
  -    function GetClear(out Clr: ClearAttrType): Boolean;
  +    function GetClear(var Clr: ClearAttrType): Boolean;
       function GetDisplay: TPropDisplay; //BG, 15.09.2009
  -    function GetFloat(out Align: AlignmentType): Boolean;
  +    function GetFloat(var Align: AlignmentType): Boolean;
       function GetFont: TMyFont;
       function GetFontVariant: ThtString;
       function GetLineHeight(NewHeight: Integer): Integer;
  
positive.code:     Result := False;
  end;
  
  function TProperties.GetClear(out Clr: ClearAttrType): Boolean;
  var
    S: ThtString;
  begin
  
negative.code:   Result := (VarIsStr(Props[OverFlow])) and (Props[OverFlow] = 'hidden');
  end;
  
  function TProperties.GetFloat(var Align: AlignmentType): Boolean;
  var
    S: ThtString;
  begin
  