block.setLength(0);
        prevToken = null;
        while (true) {
            if (ch != -1) {
                ch = readCharFromBuffer();
            }
            if (ch == -1) {
                break;
            } else if (!isDelimiter(ch)) {
                block.append((char) ch);
            } else if (block.length() > 0) {
                break;
            } else {

                buf = new StringBuilder();
            }
        }

        @Override
        public void characters(final char[] ch, final int offset, final int length) {
            if (buf != null) {
                buf.append(new String(ch, offset, length));
            }
        }

        @Override
        public void endElement(final String uri, final String localName, final String qName) {

            } else if ("item".equals(qName)) {
                buffer.setLength(0);
            }
        }

        @Override
        public void characters(final char[] ch, final int offset, final int length) {
            buffer.append(new String(ch, offset, length));
        }

        @Override
        public void endElement(final String uri, final String localName, final String qName) {

    <glob pattern="*.bup"/>
  </mime-type>

  <mime-type type="application/x-ebu-stl">
    <acronym>EBU-STL</acronym>
    <_comment>EBU-STL subtitles</_comment>
    <tika:link>https://tech.ebu.ch/docs/tech/tech3264.pdf</tika:link>
    <magic priority="70">
      <match value="STL" type="string" offset="3">
        <match value=".01" type="string" offset="8" />
      </match>
    </magic>