p>
<h4>Declaration</h4><code class="language-swift">case letterNumber</code></div></div><div id="lineSeparator-2295b6f1520bb4ed9248e07ac41bc7ac" class="declaration"><a class="toggle-link" href="#comment-lineSeparator-2295b6f1520bb4ed9248e07ac41bc7ac">case lineSeparator</a> <span class="required">Required</span><div class="comment collapse in" id="comment-lineSeparator-2295b6f1520bb4ed9248e07ac41bc7ac"><p>A line separator, which is specifically (and only) U+2028 LINE
SEPARATOR.</p>
<p>This value corresponds 