"fu">e_area</span><span class="op">(</span></span>
<span>  <span class="va">e</span>,</span>
<span>  <span class="va">serie</span>,</span>
<span>  <span class="va">bind</span>,</span>
<span>  name <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  legend <span class="op">=</span> <span class="cn">TRUE</span>,</span>
<span>  y_index <span class="op">=</span> <span class="fl">0</span>,</span>
<span>  x_index <span class="op">=</span> <span class="fl">0</span>,</span>
<span>  coord_system <