<?xml version="1.0" encoding="UTF-8"?>
<tsduck>
  <_descriptors>

    <simple_application_boundary_descriptor>
      <!-- Must be in an AIT (table id 0x74) -->
      <!-- One per prefix: -->
      <prefix boundary_extension="string, required"/>
    </simple_application_boundary_descriptor>

  </_descriptors>
</tsduck>
