de> - namespace</dd>
<dd><code>t</code> - the tag instance currently active at the time this method is called. May be null</dd>
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<h3><a id="containsTagHandler(java.lang.String,java.lang.String)">containsTagHandler</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">boolean</span>&nbsp;<span class="memberName">containsTagHandler</span>&#8203;(<span class="arguments"><a href="https://doc