<span class="fl">0.5</span>,</span>
<span>  title_lbl <span class="op">=</span> <span class="va">txt</span><span class="op">$</span><span class="va">scen_lbl</span>,</span>
<span>  popu_lbl <span class="op">=</span> <span class="va">txt</span><span class="op">$</span><span class="va">popu_lbl</span>,</span>
<span>  cond_true_lbl <span class="op">=</span> <span class="va">txt</span><span class="op">$</span><span class="va">cond_true_lbl</span>,</span>
<span>  cond_false_lbl <span class="op">=</span> <span cl