s="op">=</span> <span class="cn">NULL</span>,</span>
<span>  color <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  showLabels <span class="op">=</span> <span class="cn">FALSE</span>,</span>
<span>  showScales <span class="op">=</span> <span class="cn">FALSE</span>,</span>
<span>  showGuides <span class="op">=</span> <span class="cn">FALSE</span>,</span>
<span>  baseplot <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  parent <span class="op">=</span> <span class=