anchor.diff:        name  = 'xmlns'
         value = 'urn:sap-com:sdixml-ifr:2000' ).              "#EC NOTEXT
   
  -    ls_file = xml_to_file( is_item = is_item
  -                           io_xml  = lo_xml ).
  +* the upload fails when the smartform is normalized
  +    ls_file = xml_to_file( is_item      = is_item
  +                           io_xml       = lo_xml
  +                           iv_normalize = abap_false ).
       APPEND ls_file TO rt_files.
   
     ENDMETHOD.                    "serialize
  
positive.code:                            CHANGING ct_table TYPE STANDARD TABLE
                             RAISING lcx_exception.
  
  
      METHODS xml_render     RETURNING value(rv_string) TYPE string.
  
      METHODS xml_element    IMPORTING iv_name TYPE string
                             RETURNING value(ri_element) TYPE REF TO if_ixml_element.
  
negative.code: 
      li_renderer = mi_ixml->create_renderer( ostream  = li_ostream
                                              document = mi_xml_doc ).
      IF iv_normalize = abap_true.
        li_renderer->set_normalizing( ).
      ENDIF.
      li_renderer->render( ).
  
    ENDMETHOD.                    "xml_render
  