anchor.diff:  
   // ************************************************************************
   
  -{$ifdef UNIX}
   function  IsATTY( Handle: longint): boolean;
  -{$endif}
   function  InputAvailable(): boolean;
   procedure SetInputFileParam( Required: boolean = true;  // must have an input file or pipe
                                UseF: boolean = true;     // Add '-f' as an aliase paramater
  
positive.code:    lbp_types,
  {$ifdef UNIX}
     baseunix,
     termio,
  {$endif}
     classes, // tHandleStream
     lbp_argv;
  
negative.code:    begin
        if( lbp_types.show_init) then writeln( 'lbp_input_file.ParseArgV:  begin');
  
  {$ifdef WINDOWS}
        if( not IsRequired) then WinPipe:= ParamSet( 'winpipe');
  {$endif}
        if( ParamSet( 'input-file')) then begin
           if( not DoNotOpen) then begin
              FileName:= GetParam( 'input-file');
  