Data structure
====================


.. code-block:: text

    Function (k19):
f'$ VIDE ': TITRE
♦ '. PROL ': OJB SV K24

|% if the function is interpreted (formula):
♦ '. NOVA ': OJB SV K24

|% if the function is tabulated:
/% if constant function or function:
♦ '. VALE ': OJB S V R

/% if tablecloth:
♦ '. PARA ': OJB S V R
♦ '. VALE ': OJB XC V R