<a class="pilcrow" href="#section-21">&#182;</a>
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              <p>Update the text label to be centered.</p>

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            <div class="content"><div class='highlight'><pre>          text
            .attr(<span class="hljs-string">'x'</span>, box.width / <span class="hljs-number">2</span>)
            .attr(<span class="hljs-string">'y'</span>, box.height / <span class="hljs-number">2</span>);
        })</pre></div></div>
            
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