Syntax
=====

.. code-block:: text

    vect_asse_gene = PROJ_VECT_BASE (
        ◆ BASE = mode_gene/mode_meca,
        ◆ NUME_DDL_GENE = nume_ddl_gene,
        ◆ TYPE_VECT =/"FORC ",
                      /"DEPL ",
                      /"VITE ",
                      /"ACCE ",
        ◆/VECT_ASSE = cham_no,
          /VECT_ASSE_GENE = vect_asse_gene,
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices