anchor.diff:  
       ro_html->add( '<!DOCTYPE html>' ).                      "#EC NOTEXT
       ro_html->add( '<html><head>' ).                         "#EC NOTEXT
  -    ro_html->add( |<meta http-equiv="refresh" content="0; url={ iv_url }">| )."#EC NOTEXT
  +    ro_html->add( |<meta http-equiv="refresh" content="0; url={ iv_url }">| ). "#EC NOTEXT
       ro_html->add( '</head></html>').                        "#EC NOTEXT
   
     ENDMETHOD.
  
positive.code:   PRIVATE SECTION.
      CLASS-DATA go_instance  TYPE REF TO lcl_gui.
  
      DATA: mi_cur_page       TYPE REF TO lif_gui_page,
            mt_stack          TYPE TABLE OF REF TO lif_gui_page,
            mt_assets         TYPE tt_w3urls,
            mo_router         TYPE REF TO lcl_gui_router,
            mo_user           TYPE REF TO lcl_persistence_user,
            mo_html_viewer    TYPE REF TO cl_gui_html_viewer.
  
      METHODS constructor
        RAISING lcx_exception.
  
negative.code:         eo_page  = get_page_diff( iv_getdata ).
          ev_state = gc_event_state-new_page.
  
          " DB actions
        WHEN 'db_display' OR 'db_edit'.
          eo_page  = get_page_db_by_name( iv_name = iv_action  iv_getdata = iv_getdata ).
          ev_state = gc_event_state-new_page.
        WHEN 'db_delete'.
  