anchor.diff:  
   uses
     Contnrs, Grids, DBGrids,
  -  mMaps;
  +  mMaps, mXML;
   
   type
   
  
positive.code:     FFieldName : String;
      FDisplayLabel : String;
      FVisible : boolean;
      FDispalyFormat : String;
      FWidth : integer;
      FSortOrder : integer;
    public
  
negative.code: 
      procedure ExtractFromColumn (aColumn : TColumn);
      procedure ApplyToColumn(aColumn : TColumn);
  
      procedure SaveToXmlElement (aElement : TmXmlElement);
      procedure LoadFromXmlElement(aElement : TmXmlElement);
  
      property DisplayLabel : String read FDisplayLabel write FDisplayLabel;
      property Visible : Boolean read FVisible write FVisible;
  