an>,</span>
<span>  yd <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  ratiotype <span class="op">=</span> <span class="st">"PERACRE"</span>,</span>
<span>  largebnd.val <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  showsteps <span class="op">=</span> <span class="cn">FALSE</span>,</span>
<span>  savesteps <span class="op">=</span> <span class="cn">FALSE</span>,</span>
<span>  stepfolder <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  pr