anchor.diff:    tmp : string;
     tempValue : TDateTime;
   begin
  +  Result := 0;
     if FNode^.HasAttribute(Name) then
     begin
       tmp := FNode^.GetAttribute(Name);
  
positive.code:   tmp : string;
    tempValue : double;
  begin
    if FNode^.HasAttribute(Name) then
    begin
      tmp := FNode^.GetAttribute(Name);
  
negative.code:   tmp : string;
    tempValue : double;
  begin
    Result := 0;
    if FNode^.HasAttribute(Name) then
    begin
      tmp := FNode^.GetAttribute(Name);
  