Arborescence
============


.. code-block:: text

    sd_matr_elem (K19): :=record


    (o) '. RERR ': OJB S V K24 long=5

    (f) '. RELR ': OJB S V K24 long=*


.. code-block:: text

    sd_vect_elem (K19): :=record


    (o) '. RERR ': OJB S V K24 long=5

    (f) '. RELR ': OJB S V K24 long=*

    (f) '. RELC ': OJB XC V I NO