d="doubleBelow-0e022075f87770beb729ea9cbc32ca29" class="declaration"><a class="toggle-link" href="#comment-doubleBelow-0e022075f87770beb729ea9cbc32ca29">let doubleBelow</a> <span class="required">Required</span><div class="comment collapse in" id="comment-doubleBelow-0e022075f87770beb729ea9cbc32ca29"><p>Distinct marks subtending two bases.</p>
<h4>Declaration</h4><code class="language-swift">let doubleBelow: Unicode.CanonicalCombiningClass</code></div></div><div id="iotaSubscript-d94241b1e0d82e185cb1129d9bb