Syntax
=====

.. code-block:: text

    table = MACR_CARA_POUTRE (
        ◇ MAILLAGE = mesh,
        # If: not exists (" MAILLAGE ")
            ◇ FORMAT =/"ASTER ",
                       /"MED" (by default),
        # If: (equal_to (" FORMAT ", 'MED'))
            ◇ UNITE = unit,
        # If: (not equal_to (" FORMAT ", 'MED'))
            ◇ UNITE = unit,
        ◇ ORIG_INER = float (default: (0.0, 0.0)),
        ◇ INFO =/1 (by default),
                 /2,
        ◇ TABLE_CARA =/"OUI ",
                       /"NON" (by default),
        ◇/SYME_Y = "OUI" (or not specified),
          /GROUP_MA_BORD = grma,
        ◇/SYME_Z = "OUI" (or not specified),
        ◇ GROUP_MA = Grma,
        # If: not (equal_to (" TABLE_CARA ", '",' OUI ') and exists (" GROUP_MA "))
            ◆ NOM = text,
        # If: exists (" GROUP_MA_BORD ")
            ◇ GROUP_NO = big,
            ◇ GROUP_MA_INTE = Grma,
        # If: (exists (" GROUP_MA_BORD ")) and (exists (" GROUP_MA "))
            ◇ & LONGUEUR = float,
              & LIAISON =/"ROTULE ",
                          /"ENCASTREMENT ",
              & MATERIAU = subdue,
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices