p>This value corresponds to the category <code>Surrogate</code> (abbreviated <code>Cs</code>) in
the
<a href="https://unicode.org/reports/tr44/#General_Category_Values">Unicode Standard</a>.</p>
<h4>Declaration</h4><code class="language-swift">case surrogate</code></div></div><div id="titlecaseLetter-5f295121142f65dedbbc72f12d9f0e56" class="declaration"><a class="toggle-link" href="#comment-titlecaseLetter-5f295121142f65dedbbc72f12d9f0e56">case titlecaseLetter</a> <span class="required">Required</span><div 