anchor.diff:      procedure optget_LastFold(aWriter: TWriter);
       procedure optset_Favs(aReader: TReader);
       procedure optget_Favs(aWriter: TWriter);
  +    procedure optset_SplitFavTree(aReader: TReader);
  +    procedure optget_SplitFavTree(aWriter: TWriter);
  +    procedure optset_SplitTreeFiles(aReader: TReader);
  +    procedure optget_SplitTreeFiles(aWriter: TWriter);
       procedure updateFavorites;
       procedure treeSetRoots;
       procedure lstFilesFromTree;
  
positive.code:   Tree.OnSelectionChanged := @treeSelectionChanged;
    Tree.OnExpanding := @treeExpanding;
  
    // the filter is just use a GUI element and reveals:
    // http://bugs.freepascal.org/view.php?id=27137
    lstFilter.FilteredListbox := nil;
    lstFilter.onChange := @lstFilterChange;
  
negative.code:   inherited;
    aFiler.DefineProperty(Name + '_LastFolder', @optset_LastFold, @optget_LastFold, true);
    aFiler.DefineProperty(Name + '_FavoritesFolders', @optset_Favs, @optget_Favs, true);
    aFiler.DefineProperty(Name + '_SplitterFavTree', @optset_SplitFavTree, @optget_SplitFavTree, true);
    aFiler.DefineProperty(Name + '_SplitterTreeFiles', @optset_SplitTreeFiles, @optget_SplitTreeFiles, true);
  end;
  
  procedure TCEMiniExplorerWidget.optset_LastFold(aReader: TReader);
  