Syntax
=====

.. code-block:: text

    /matr_asse_gene_r
    /matr_asse_gene_c = ASSE_MATR_GENE (
        ◆ NUME_DDL_GENE = nume_ddl_gene,
        ◇ METHODE =/"CLASSIQUE" (by default),
                    /"INITIAL ",
        # If: equal_to (" METHODE ", 'CLASSIQUE')
            ◆ OPTION =/"RIGI_GENE ",
                       /"RIGI_GENE_C ",
                       /"MASS_GENE ",
                       /"AMOR_GENE ",
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices