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23/10/2005 [MP4] Added primitive edit lists support. [Matroska] Improved muxer. [General] Added tracksets. They allow selecting both audio+subs tracks with a single click in the splitter menu. To use them add tags with name TRACKSET and value "video_track_id audio_track_id subs_track_id three_letter_language [optional name]". Track id '.' means don't change track, 'x' means turn off track (valid for subs only). Example:

   <Tags>
     <Tag>
       <Simple>
	 <Name>TRACKSET</Name>
	 <String>. 72784144 1640508160 jpn</String>
       </Simple>
       <Simple>
	 <Name>TRACKSET</Name>
	 <String>. 3634403394 x eng</String>
       </Simple>
     </Tag>
   </Tags>