anchor.diff:  
     METHOD serialize_xml.
   
  -    DATA: ls_vseoclass  TYPE vseoclass.
  +    DATA: ls_vseoclass TYPE vseoclass,
  +          lv_cp        TYPE program,
  +          lt_tpool     TYPE textpool_table.
   
   
       CALL FUNCTION 'SEO_CLASS_GET'
  
positive.code:     CALL FUNCTION 'DDIF_DOMA_GET'
        EXPORTING
          name          = lv_name
          langu         = 'E'
        IMPORTING
          dd01v_wa      = ls_dd01v
        TABLES
  
negative.code:         version = seoc_version_inactive
          force   = seox_true.
  
      lt_source = serialize_abap( ls_clskey ).
      ls_file = abap_to_file( is_item = is_item
                              it_abap = lt_source ).
  