Syntax
=====

.. code-block:: text

    table = POST_ERREUR (
        ◆ OPTION =/"DEPL_RELA ",
                   /"ENER_RELA ",
                   /"LAGR_RELA ",
        ◆ MODELE = model,
        ◆ GROUP_MA = Grma,
        # If: equal_to (" OPTION ", 'DEPL_RELA')
            ◇ CHAM_MATER = mater_field,
            ◆ CHAM_GD = cham_no,
            ◇ DX = formula,
            ◇ DY = formula,
            ◇ DZ = formula,
        # If: equal_to (" OPTION ", 'ENER_RELA')
            ◆ CHAM_MATER = cham_master,
            ◆ DEFORMATION = "PETIT" (or not specified),
            ◆ CHAM_GD = cham_elem,
            ◇ SIXX = formula,
            ◇ SIYY = formula,
            ◇ SIZZ = formula,
            ◇ SIXY = formula,
            ◇ SIXZ = formula,
            ◇ SIYZ = formula,
        # If: equal_to (" OPTION ", 'LAGR_RELA')
            ◆ CHAM_GD = cham_no,
            ◇ LAGS_C = formula,
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices