TVHeadEnd only recognises a subset of the total XMLTV schema.
<programme start="YYYYMMDDhhmmss +0000" stop="YYYYMMDDhhmmss +0000" channel="3">
<title lang="en">Event title to display</title>
<sub-title lang="en">Event sub-title to display</sub-title>
<desc lang="en">Extended event description</desc>
<summary lang="en">Event summary</summary>
<category lang="en">Category name</category>
<keyword lang="en">Keyword name</keyword>
<credits>
<actor>Actor's name</actor>
<director>Director's name</director>
<guest>Guest's name</guest>
<presenter>Presenter's name</presenter>
<writer>Writer's name</writer>
</credits>
<video>
<colour>NO</colour>
<aspect>Width:Height</aspect>
<quality>HD|FHD|UHD|488|576|720|1080|1716|2160</quality>
</video>
<subtitles type="teletext|deaf-signed"/>
<audio-described />
<previously-shown start="2008-10-11"/>
<premiere />
<new />
<episode-num system="onscreen|xmltv_ns|dd_progid">Episode number text</episode-num>
<star-rating>
<value>X/Y</value>
</star-rating>
<date>YYYY</date>
<rating system="Name">
<value>Rating displey text</value>
</rating>
<icon src="Icon URL" />
</programme>
Multiple instances of some tags like 'actor' or 'category' or 'rating' may be present.
