class="op">(</span>side <span class="op">=</span><span class="fl">1</span>, text <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/format.html" class="external-link">format</a></span><span class="op">(</span><span class="va">at_x</span>, format <span class="op">=</span> <span class="st">"%Y"</span><span class="op">)</span>, at <span class="op">=</span> <span class="va">at_x</span>,</span></span>
<span class="r-in"><span>      col <span class="op">=</span> <span class="st">"grey20"</