 class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span>t <span class="op">=</span> <span class="fl">2</span>, r <span class="op">=</span> <span class="fl">2</span>, b <span class="op">=</span> <span class="fl">5</span>, l <span class="op">=</span> <span class="fl">2</span><span class="op">)</span>,</span>
<span>  h_panel_space <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  v_panel_space <span class="op">=</span> <span class="cn"