anchor.diff:      METHODS go_home
         RAISING lcx_exception.
   
  -    METHODS render
  -      RAISING lcx_exception.
  -
       METHODS back
         RETURNING VALUE(rv_exit) TYPE xfeld
         RAISING   lcx_exception.
  
positive.code:         eo_page  = get_page_by_name( iv_action ).
          ev_state = gc_event_state-new_page.
        WHEN 'abapgithome'.
          cl_gui_frontend_services=>execute( document = gc_abapgit_homepage ).
          ev_state = gc_event_state-no_more_act.
        WHEN 'abapgit_installation'.
          abapgit_installation( ).
  
negative.code: 
      METHODS show_url
        IMPORTING iv_url TYPE clike.
  
      METHODS render
        RAISING lcx_exception.
  
      METHODS view
        IMPORTING iv_html TYPE string.
  