anchor.diff:      procedure DoDeactivatePictureMode;
       procedure DoDeactivateViewerMode;
       procedure DoFileOpen_Ex(Ed: TATSynEdit; const AFileName: string;
  -      AAllowLoadHistory, AAllowLoadHistoryEnc, AAllowLexerDetect, AAllowErrorMsgBox,
  +      AAllowLoadHistory, AAllowLoadHistoryEnc, AAllowLoadBookmarks,
  +      AAllowLexerDetect, AAllowErrorMsgBox,
         AKeepScroll, AAllowLoadUndo: boolean; AOpenMode: TAppOpenMode);
       procedure DoImageboxScroll(Sender: TObject);
       procedure DoOnChangeCaption;
  
positive.code: end;
  
  procedure TEditorFrame.DoFileOpen_Ex(Ed: TATSynEdit; const AFileName: string;
    AAllowLoadHistory, AAllowLoadHistoryEnc, AAllowLexerDetect,
    AAllowErrorMsgBox, AKeepScroll, AAllowLoadUndo: boolean; AOpenMode: TAppOpenMode);
  begin
    try
  
negative.code:   if AAllowLoadUndo then
      DoLoadUndo(Ed);
  
    DoLoadHistory(Ed, AAllowLoadHistoryEnc, AAllowLoadHistory, AAllowLoadBookmarks);
  
    //save temp-options, to later know which options are changed,
    //during loading of lexer-specific config
  