hidden="true" tabindex="-1"></a>    <span class="at">xend =</span> arc_end, </span>
<span id="cb13-16"><a href="#cb13-16" aria-hidden="true" tabindex="-1"></a>    <span class="at">yend =</span> radius, </span>
<span id="cb13-17"><a href="#cb13-17" aria-hidden="true" tabindex="-1"></a>    <span class="at">colour =</span> shade, </span>
<span id="cb13-18"><a href="#cb13-18" aria-hidden="true" tabindex="-1"></a>    <span class="at">size =</span> size</span>
<span id="cb13-19"><a href="#cb13-19" aria-hidden="tr