<?xml version="1.0" encoding="UTF-8"?>

<mime-info xmlns="http://www.freedesktop.org/standards/shared-mime-info">

  <mime-type type="application/x-xpinstall">

    <comment xml:lang="en">Mozilla Cross-Platform Installer Module</comment>

    <glob pattern="*.xpi" />

  </mime-type>

</mime-info>

​