<glob pattern="*.ai"/>
    <sub-class-of type="application/pdf"/>
  </mime-type>
  <mime-type type="application/illustrator+ps">
    <acronym>AI</acronym>
    <_comment>Adobe Illustrator Artwork -- the older postscript based AI files</_comment>
    <!-- we can do more specific versions by focusing on the integer in the regex below -->
    <tika:link>http://justsolve.archiveteam.org/wiki/Adobe_Illustrator_Artwork</tika:link>