anchor.diff:  
   uses
     SysUtils, Classes, fpg_base, fpg_main, fpg_form, fpg_panel, fpg_tab,
  -  fpg_tree, fpg_splitter, fpg_menu, fpg_memo, fpg_button, fpg_listbox,
  -  fpg_label, fpg_edit, fpg_radiobutton, fpg_progressbar,
  +  fpg_tree, fpg_splitter, fpg_menu, fpg_button, fpg_listbox,
  +  fpg_label, fpg_edit, fpg_radiobutton, fpg_progressbar, fpg_mru,
     HelpFile, RichTextView;
   
   type
  
positive.code:     procedure   miHelpAboutFPGui(Sender: TObject);
      procedure   miDebugHeader(Sender: TObject);
      procedure   miDebugHex(Sender: TObject);
      procedure   btnShowIndex(Sender: TObject);
      procedure   btnGoClicked(Sender: TObject);
      procedure   tvContentsChange(Sender: TObject);
  
negative.code:     {@VFD_HEAD_END: MainForm}
      Files: TList; // current open help files.
      Debug: boolean;
      mru: TfpgMRU;
      FFileOpenRecent: TfpgMenuItem;
  
      // while loading... so owe can display progress
      LoadingFilenameList: TStringList;
  