anchor.diff:  
       property FileName: string read FFileName write SetFileName;
       property FileName2: string read FFileName2;
  -    property FileWasBig: boolean read FFileWasBig write SetFileWasBig;
       property LexerChooseFunc: TecLexerChooseFunc read FLexerChooseFunc write FLexerChooseFunc;
       function GetFileName(Ed: TATSynEdit): string;
       procedure SetFileName(Ed: TATSynEdit; const AFileName: string);
  +    property FileWasBig[Ed: TATSynEdit]: boolean read GetFileWasBig write SetFileWasBig;
   
       property Lexer[Ed: TATSynEdit]: TecSyntAnalyzer read GetLexer write SetLexer;
       property LexerLite[Ed: TATSynEdit]: TATLiteLexer read GetLexerLite write SetLexerLite;
  
positive.code:     FTabId: integer;
      FFileName: string;
      FFileName2: string;
      FFileWasBig: boolean;
      FTextCharsTyped: integer;
      FActivationTime: Int64;
      FCodetreeFilter: string;
  
negative.code:   end;
  
    //turn off opts for huge files
    FileWasBig[Ed]:= Ed.Strings.Count>EditorOps.OpWrapEnabledMaxLines;
  
    if AAllowLoadHistory then
    begin
  