anchor.diff:        procedure iwSlide;
       public
         constructor Create(aStream       : TStream;
  -                         aStreamSize   : longint;
  +                         aStreamSize   : Int64;
                            aWinSize      : integer;
                            aChainLength  : integer;
                            aUseDeflate64 : boolean;
  
positive.code: 
  {===TAbDfInputWindow=================================================}
  constructor TAbDfInputWindow.Create(aStream       : TStream;
                                      aStreamSize   : longint;
                                      aWinSize      : integer;
                                      aChainLength  : integer;
                                      aUseDeflate64 : boolean;
  
negative.code:       FStart        : PAnsiChar;
        FStartOffset  : longint;
        FStream       : TStream;
        FStreamSize   : Int64;
        FUseCRC32     : boolean;
        FUseDeflate64 : boolean;
        FWinMask      : integer;
  