>(<span class="st">&quot;point&quot;</span>, <span class="dv">1</span><span class="op">:</span><span class="dv">3</span>), <span class="dt">hoveron =</span> <span class="st">&quot;points&quot;</span>)</span>
<span id="cb212-12"><a href="controlling-tooltips.html#cb212-12"></a>)</span></code></pre></div>
<div class="figure" style="text-align: center"><span id="fig:hoveron-fill-points"></span>
<img src="images/hoveron-fill-points.png" alt="Using the hoveron attribute to control whether a tooltip is attached t