Issue #3051523 by colan: Added in-line link to the "Working with multiple values" doc page on d.o.

  <ul>

    <li><code>$value = $fields[\'field_a\'][0][\'value\'] . $fields[\'field_b\'][0][\'value\'];</code></li>

  </ul>

</p>

<p>

  For information on working with multi-valued fields, read the documentation page at <a href="https://www.drupal.org/node/249907">Working with multiple values</a>.

</p>

    ');

    return $element;