anchor.diff:      if F.IsEmpty then
       begin
         tick:= GetTickCount64;
  -      F.DoFileOpen(AFilename, true, true);
  +      F.DoFileOpen(AFilename, bEnableHistory, true);
         Result:= F;
         tick:= (GetTickCount64-tick) div 1000;
   
  
positive.code:   Result:= nil;
    AppFolderOfLastInstalledAddon:= '';
    if Application.Terminated then exit;
  
    if APages=nil then
      APages:= Groups.PagesCurrent;
  
negative.code: var
    D: TATTabData;
    F: TEditorFrame;
    isOem, bSilent,
    bPreviewTab, bEnableHistory: boolean;
    tick: QWord;
    msg: string;
    i: integer;
  