anchor.diff:  
       ASSERT sy-subrc = 0. " Image data error
   
  -  ENDMETHOD.
  -
  -ENDCLASS.                    "lcl_gui IMPLEMENTATION
  +  ENDMETHOD.                  "cache_image
  +
  +ENDCLASS.                     "lcl_gui IMPLEMENTATION
   
   CLASS lcl_gui_page_super DEFINITION ABSTRACT.
     PUBLIC SECTION.
  
positive.code: CLASS lcl_gui_page_main DEFINITION FINAL INHERITING FROM lcl_gui_page_super.
  
    PUBLIC SECTION.
      METHODS lif_gui_page~on_event   REDEFINITION.
      METHODS lif_gui_page~render     REDEFINITION.
      METHODS lif_gui_page~get_assets REDEFINITION.
  
  
negative.code:       RETURNING VALUE(rv_exit) TYPE xfeld
        RAISING   lcx_exception.
  
      METHODS on_event FOR EVENT sapevent OF cl_gui_html_viewer
        IMPORTING action frame getdata postdata query_table.  "#EC NEEDED
  
  