anchor.diff:  
     AppApiFlatTheme:= ATFlatTheme;
   
  +  FillChar(AppVariantNil, SizeOf(AppVariantNil), 0);
  +  AppVariantNil.Typ:= avrNil;
  +
   finalization
     FreeAndNil(AppEventWatcher);
     FreeAndNil(AppEventLister);
  
positive.code: 
    TAppVariantArray = array of TAppVariant;
  
  function AppVariantNil: TAppVariant; inline;
  function AppVariant(Value: boolean): TAppVariant; inline;
  function AppVariant(const Value: Int64): TAppVariant; inline;
  function AppVariant(const Value: string): TAppVariant; inline;
  
negative.code:     Result:= AppDir_Home+Copy(Result, 3, MaxInt);
  end;
  
  function AppVariant(Value: boolean): TAppVariant;
  begin
    FillChar(Result, SizeOf(Result), 0);
  