==== Common Data Table (CDT)

Defined by ARIB in <<ARIB-B21>>.

[source,xml]
----
<CDT version="uint5, default=0"
     current="bool, default=true"
     download_data_id="uint16, required"
     original_network_id="uint16, required"
     data_type="uint8, required">

  <!-- Common descriptors loop -->
  <DESCRIPTOR_LIST>

  <data_module>
    Hexadecimal content
  </data_module>

</CDT>
----
