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

    <teletext_descriptor>
      <!-- One per page -->
      <teletext language_code="char3, required"
                teletext_type="uint5, required"
                page_number="uint16, required"/>
    </teletext_descriptor>

  </_descriptors>
</tsduck>
