>  mi_lbl <span class="op">=</span> <span class="va">txt</span><span class="op">$</span><span class="va">mi_lbl</span>,</span>
<span>  fa_lbl <span class="op">=</span> <span class="va">txt</span><span class="op">$</span><span class="va">fa_lbl</span>,</span>
<span>  cr_lbl <span class="op">=</span> <span class="va">txt</span><span class="op">$</span><span class="va">cr_lbl</span>,</span>
<span>  col_txt <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/grDevices/gray.html" class="externa