anchor.diff:  
     ENDMETHOD.
   
  +  METHOD fix_oref.
  +
  +    DATA: li_iterator TYPE REF TO if_ixml_node_iterator,
  +          lv_name     TYPE string,
  +          lv_value    TYPE string,
  +          lv_new      TYPE n LENGTH 3,
  +          lv_old      TYPE string,
  +          lt_map      TYPE STANDARD TABLE OF string WITH DEFAULT KEY,
  +          li_attr_map TYPE REF TO if_ixml_named_node_map,
  +          li_attr     TYPE REF TO if_ixml_node,
  +          li_node     TYPE REF TO if_ixml_node.
  +
  +    DEFINE _lookup.
  +      read table lt_map from &1 transporting no fields.
  +      if sy-subrc <> 0.
  +        append &1 to lt_map.
  +        read table lt_map from &1 transporting no fields.
  +      endif.
  +      lv_new = sy-tabix + 100.
  +    END-OF-DEFINITION.
  +
  +
  +    li_iterator = ii_document->create_iterator( ).
  +    li_node = li_iterator->get_next( ).
  +    WHILE NOT li_node IS INITIAL.
  +      li_attr_map = li_node->get_attributes( ).
  +
  +      IF li_attr_map IS BOUND.
  +        li_attr = li_attr_map->get_named_item_ns( 'href' ).
  +        IF li_attr IS BOUND.
  +          lv_old = li_attr->get_value( ).
  +          IF lv_old(2) = '#o'.
  +            _lookup lv_old+1.
  +            li_attr->set_value( '#o' && lv_new ).
  +          ENDIF.
  +        ENDIF.
  +
  +        li_attr = li_attr_map->get_named_item_ns( 'id' ).
  +        IF li_attr IS BOUND.
  +          lv_old = li_attr->get_value( ).
  +          IF lv_old(1) = 'o'.
  +            _lookup lv_old.
  +            li_attr->set_value( 'o' && lv_new ).
  +          ENDIF.
  +        ENDIF.
  +      ENDIF.
  +
  +      li_node = li_iterator->get_next( ).
  +    ENDWHILE.
  +
  +  ENDMETHOD.
  +
     METHOD lif_object~serialize.
   
       DATA: lv_xstr     TYPE xstring,
  
positive.code: 
      lv_xstr = interface_to_xstring( ).
      li_document = cl_ixml_80_20=>parse_to_document( stream_xstring = lv_xstr ).
      io_xml->set_raw( li_document->get_root_element( ) ).
  
    ENDMETHOD.                    "serialize
  
negative.code:       load
          RETURNING VALUE(ri_wb_interface) TYPE REF TO if_fp_wb_interface
          RAISING lcx_exception,
        fix_oref
          IMPORTING ii_document TYPE REF TO if_ixml_document,
        interface_to_xstring
          RETURNING VALUE(rv_xstr) TYPE xstring
          RAISING lcx_exception.
  