anchor.diff:      ro_html->add( 'document.getElementById("cmt").focus();' ).
       ro_html->add( '</script>' ).
       ro_html->add( '</div>' ).
  -    ro_html->add( lcl_gui=>footer( ) ).
  +
  +    ro_html->add( footer( ) ).
   
     ENDMETHOD.
   
   ENDCLASS.
   
  -CLASS lcl_gui_page_stage DEFINITION FINAL.
  +CLASS lcl_gui_page_stage DEFINITION FINAL INHERITING FROM lcl_gui_page_super.
   
     PUBLIC SECTION.
       METHODS constructor
         IMPORTING io_repo TYPE REF TO lcl_repo_online
         RAISING   lcx_exception.
   
  -    INTERFACES lif_gui_page.
  +    METHODS lif_gui_page~on_event REDEFINITION.
  +    METHODS lif_gui_page~render   REDEFINITION.
   
     PRIVATE SECTION.
       DATA: mo_repo   TYPE REF TO lcl_repo_online,
  
positive.code:                 io_stage TYPE REF TO lcl_stage
        RAISING   lcx_exception.
  
      INTERFACES lif_gui_page.
  
    PRIVATE SECTION.
      DATA: mo_repo  TYPE REF TO lcl_repo_online,
  
negative.code: CLASS lcl_gui_page_stage IMPLEMENTATION.
  
    METHOD constructor.
      super->constructor( ).
  
      mo_repo = io_repo.
      refresh( ).
    ENDMETHOD.
  