anchor.diff:    ENDMETHOD.
   
   ENDCLASS.
  +
  +* SAP back command re-direction
   AT SELECTION-SCREEN ON EXIT-COMMAND.
     CASE sy-ucomm.
       WHEN 'CBAC'.  "Back
  
positive.code:   METHOD lif_gui_page~on_event.
  
      CASE iv_action.
        WHEN 'back'.
          lcl_gui=>back( ).
        WHEN OTHERS.
          _raise 'Unknown action'.                            "#EC NOTEXT
      ENDCASE.
  
negative.code:     "TODO: crutch, redo later after unification
      REPLACE FIRST OCCURRENCE OF '</style>' IN lv_html
        WITH '</style>' && styles( )->mv_html.
      ro_html->add( lv_html ).
  * ^^^ REDO
  
  