Syntax
=====
               

.. code-block:: text

    table = POST_USURE (
        ◇ reuse = <objet de TABL_USURE >,
        ◆/TUBE_NEUF = "OUI" (or not specified),
          /RESU_GENE = tran_gene,
          /PUIS_USURE = float,
        ◆/LOI_USURE =/"ARCHARD ",
                        /"EDF_MZ ",
                        /"KWU_EPRI ",
        ◇/ETAT_INIT = _F (
               ◇ TABL_USURE = table,
               ◇ INST_INIT = float,
            ),
          /| INST_FIN = float,
        ◇/RAYON_MOBILE = float,
          /| OBST_RADIUS = float,
            | OBST_WIDTH = float,
            | CONTACT =/"CLUSTER_1_ENCO",
                        /"GRAPPE_2_ENCO ",
                        /"GRAPPE_ALESAGE ",
                        /"TUBE_3_ENCO ",
                        /"TUBE_4_ENCO ",
                        /"TUBE_ALESAGE ",
                        /"TUBE_BAV ",
                        /"TUBE_TUBE ",
        ◇/ANGL_INCLI = float,
          /| ENGL_ISTHMUS = float,
            | ANGL_IMPACT = float,
        # If: exists (" RESU_GENE ")
            ◆/GROUP_NO = grno,
        # If: equal_to (" LOI_USURE ", 'ARCHARD')
            ◆/MOBILE = _F (
                   ◆ COEF_USURE = float,
                ),
              /MATER_USURE = text,
              /SECTEUR = _F (
                   ◇ COEF_USUR_MOBILE = float,
                   ◇ COEF_USUR_OBST = float,
                   ◇ ANGL_INIT = float,
                   ◇ ANGL_FIN = float,
                ),
            ◇/USURE_OBST = "OUI" (or not specified),
            ◇/OBSTACLE = _F (
                   ◆ COEF_USURE = float,
                ),
        # If: equal_to (" LOI_USURE ", 'KWU_EPRI')
            ◆/MOBILE = _F (
                   ◇ COEF_FNOR = float,
                   ◇ COEF_VTAN = float,
                   ◇ COEF_USURE = float,
                   ◇ COEF_K = float (default: 5.0),
                   ◇ COEF_C = float (default: 10.0),
                ),
              /MATER_USURE = text,
            ◇/USURE_OBST = "OUI" (or not specified),
            ◇/OBSTACLE = _F (
                   ◇ COEF_FNOR = float,
                   ◇ COEF_VTAN = float,
                   ◆ COEF_USURE = float,
                   ◇ COEF_K = float (default: 5.0),
                   ◇ COEF_C = float (default: 10.0),
                ),
            ◇ FNOR_MAXI = float,
            ◇ VTAN_MAXI = float,
        # If: equal_to (" LOI_USURE ", 'EDF_MZ')
            ◆/MOBILE = _F (
                   ◇ COEF_USURE = float (default: 1e-13),
                   ◇ COEF_B = float (default: 1.2),
                   ◇ COEF_N = float (default: 2.44e-08),
                   ◇ COEF_S = float (default: 1.14e-16),
                ),
              /MATER_USURE = text,
            ◇/USURE_OBST = "OUI" (or not specified),
            ◇/OBSTACLE = _F (
                   ◇ COEF_USURE = float (default: 1e-13),
                   ◇ COEF_B = float (default: 1.2),
                   ◇ COEF_N = float (default: 2.44e-08),
                   ◇ COEF_S = float (default: 1.14e-16),
                ),
        # If: not exists (" TUBE_NEUF ")
            ◇ INST_INIT = float (default: -1.0),
            ◇ NB_BLOC = int (default: 1),
            ◇ COEF_INST = float (default: 1.0),
            ◆/INST = float,
              /LIST_INST = listr8,
        # If: exists (" TUBE_NEUF ")
            ◇ INST = float,
            ◆ TABL_USURE = table,
        ◇ INFO =/1 (by default),
                 /2,
        ◇ TITRE = text,
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices