anchor.diff:    DoFileOpen_Ex(Ed, SFileName,
       true{AllowLoadHistory},
       false{AllowLoadHistoryEnc},
  +    false{AllowLoadBookmarks},
       false{AllowLexerDetect},
       false{AllowMsgBox},
       true{KeepScroll},
  
positive.code:   DoFileOpen_Ex(Ed1, AFileName,
      AAllowLoadHistory,
      AAllowLoadHistory,
      AAllowLexerDetect,
      AAllowErrorMsgBox,
      false,
  
negative.code:     procedure DoDeactivatePictureMode;
      procedure DoDeactivateViewerMode;
      procedure DoFileOpen_Ex(Ed: TATSynEdit; const AFileName: string;
        AAllowLoadHistory, AAllowLoadHistoryEnc, AAllowLoadBookmarks,
        AAllowLexerDetect, AAllowErrorMsgBox,
        AKeepScroll, AAllowLoadUndo: boolean; AOpenMode: TAppOpenMode);
      procedure DoImageboxScroll(Sender: TObject);
      procedure DoOnChangeCaption;
  