* @return The parsed date, or null if parsing fails
     */
    protected Date parseLastModifiedDate(final String value) {
        final SimpleDateFormat sdf = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z", Locale.ENGLISH);
        try {
            return sdf.parse(value);
        } catch (final ParseException e) {
            return null;
        }
    }

    /**

        <match value="0x0400" type="string" offset="16"/>
        <match value="0x0004" type="string" offset="16"/>
      </match>
    </magic>
  </mime-type>
  <mime-type type="application/x-mmm-digisonde">
    <_comment>Modified Maximum Method Digisonde Portable Sounder File format</_comment>
    <tika:link>http://www.alliancepermanentaccess.org/wp-content/uploads/temp/ionosonde-case-study.pdf</tika:link>