Syntax
=====

.. code-block:: text

    MAJ_CATA (
        ◆/ELEMENT = _F (
            ),
          /TYPE_ELEM = _F (
            ),
        ◇ UNITE = unit (default: 8),
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices