<sub-class-of type="application/x-matroska"/>
    <glob pattern="*.mkv" />
    <!-- Note: The magic value below isn't present in all MKV files -->
    <magic priority="50">
      <match value="0x1A45DFA3934282886D6174726F736B61" type="string" offset="0" />
    </magic>
  </mime-type>
  <mime-type type="audio/x-matroska">
    <sub-class-of type="application/x-matroska"/>
    <glob pattern="*.mka" />
  </mime-type>