<span class="op">=</span> <span class="cn">TRUE</span>,</span>
<span>  n <span class="op">=</span> <span class="fl">100</span>,</span>
<span>  h <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  lineend <span class="op">=</span> <span class="st">"butt"</span>,</span>
<span>  linejoin <span class="op">=</span> <span class="st">"round"</span>,</span>
<span>  linemitre <span class="op">=</span> <span class="fl">1</span>,</span>
<span>  <span class="va">xlab</span>,</span>
<span>  <span cla