Maybe this is be better:
+ <_comment>MPEG-2 Transport Stream</_comment> + <acronym>MPEG-2 TS</acronym> + <expanded-acronym>Moving Picture Experts Group 2 Transport Stream</expanded-acronym>
It is not wise to use the same acronym for two different MIME types.
Maybe this is be better:
+ <_comment>MPEG-2 Transport Stream</_comment> acronym> Moving Picture Experts Group 2 Transport Stream< /expanded- acronym>
+ <acronym>MPEG-2 TS</acronym>
+ <expanded-
It is not wise to use the same acronym for two different MIME types.