Syntax
=====

.. code-block:: text

    IMPR_OAR (
        ◆/TABL_MECA = _F (
               ◇ PRESSION = table,
               ◇ FLEXION_P = table,
               ◇ FLEXION_HP = table,
               ◇ TORSION = table,
            ),
          /TABL_THER = _F (
               ◆ | TEMP = table,
                 | CONSTRAINT = table,
            ),
        ◆ UNITE = unit,
        ◇ TITRE = text,
        ◇ TYPE_UNIT = text (default: "IF"),
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices