Syntax
=====

.. code-block:: text

    listr8 = DEFI_LIST_REEL (
        ◆/VALE = float,
          /DEBUT = float,
        ◇/INTERVALLE = _F (
               ◆ JUSQU_A = float,
               ◆/NOMBRE = int,
                 /PAS = float,
            ),
        ◇ INFO =/1 (by default),
                 /2,
        ◇ TITRE = text,
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices