Syntax
=====

.. code-block:: text

    super_mesh = DEFI_MAILLAGE (
        ◆ DEFI_SUPER_MAILLE = _F (
             ◆ MACR_ELEM = macr_elem_dyna/macr_elem_stat,
             ◇ SUPER_MAILLE = my,
             ◇ TRAN = float,
             ◇ ANGL_NAUT = float,
             # If: exists (" ANGL_NAUT ")
                 ◇ CENTRE = float,
          ),
        ◇ RECO_GLOBAL = _F (
             ◆/TOUT = "OUI" (or not specified),
               /SUPER_MAILLE = my,
             ◇ CRITERE =/"RELATIF" (by default),
                         /"ABSOLU ",
             ◇ PRECISION = float (default: 0.001),
          ),
        ◇ RECO_SUPER_MAILLE = _F (
             ◆ SUPER_MAILLE = my,
             ◆ GROUP_NO = grno,
             ◇ OPTION =/"GEOMETRIQUE" (by default),
                        /"NOEUD_A_NOEUD ",
                        /"INVERSE ",
             # If: equal_to (" OPTION ", 'GEOMETRIQUE')
                 ◇ CRITERE =/"RELATIF" (by default),
                             /"ABSOLU ",
                 ◇ PRECISION = float (default: 0.001),
          ),
         DEFI_NOEUD = _F (
            ◆/TOUT = "OUI" (or not specified),
              /NOEUD_INIT = no,
            # If: exists (" TOUT ")
                ◇ PREFIXE = text,
                ◆ INDEX = int,
            # If: exists (" NOEUD_INIT ")
                ◆ SUPER_MAILLE = my,
                ◆ NOEUD_FIN = no,
         ),
        ◇ DEFI_GROUP_NO = _F (
             ◆/TOUT = "OUI" (or not specified),
               /SUPER_MAILLE = my,
             ◇ & GROUP_NO_INIT = grno,
             ◆ | GROUP_NO_END = grno,
             ◇ PREFIXE = text,
               | INDEX = int,
          ),
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices