    data_on_this_dictionary
    _dictionary_name    "official"
    _dictionary_version 1.0 

    data_dummy
    _name               '_dummy'
    _type                numb
    _enumeration_range   0:          # i.e. any positive number
    _category            test

    data_cell_length_
    loop_ 
        _name
        '_cell_length_a'
        '_cell_length_b'
        '_cell_length_c'
    _enumeration_range 0:
    _type numb
    _category            test
