anchor.diff:  *
   *----------------------------------------------------------------------*
   CLASS lcl_serialize_clas IMPLEMENTATION.
  +
  +  METHOD reduce.
  +
  +    DATA: lv_source LIKE LINE OF ct_source,
  +          lv_found  TYPE abap_bool.
  +
  +
  +* skip files that only contain the standard comments
  +    lv_found = abap_false.
  +    LOOP AT ct_source INTO lv_source.
  +      IF strlen( lv_source ) >= 3 AND lv_source(3) <> '*"*'.
  +        lv_found = abap_true.
  +      ENDIF.
  +    ENDLOOP.
  +    IF lv_found = abap_false.
  +      CLEAR ct_source[].
  +    ENDIF.
  +
  +  ENDMETHOD.                    "reduce
   
     METHOD serialize_locals_imp.
   
  
positive.code:       _raise 'Error from get_include_source'.
      ENDIF.
  
    ENDMETHOD.                    "serialize_local
  
    METHOD serialize_locals_def.
  
negative.code:     IF sy-subrc <> 0.
        _raise 'Error from get_include_source'.
      ENDIF.
  
      reduce( CHANGING ct_source = rt_source ).
  
    ENDMETHOD.                    "serialize_macro
  
  