 class="st">"#0000FF80"</span>, <span class="st">"#FF000080"</span><span class="op">)</span>,</span></span>
<span class="r-in"><span>       panel <span class="op">=</span> <span class="kw">function</span> <span class="op">(</span><span class="va">x</span>, <span class="va">y</span>, <span class="va">...</span><span class="op">)</span> <span class="op">{</span></span></span>
<span class="r-in"><span>           <span class="fu"><a href="https://rdrr.io/pkg/lattice/man/panel.superpose.html" class="external-lin