pan></span></span>
<span class="r-in"><span>    <span class="fu"><a href="https://rdrr.io/pkg/lattice/man/llines.html" class="external-link">panel.polygon</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="va">x</span>, <span class="fu"><a href="https://rdrr.io/r/base/rev.html" class="external-link">rev</a></span><span class="op">(</span><span class="va">x</span><span class="op">)</span><span cla