>Alignment in the x direction, one of "center", "left",
    or "right".</p></dd>

  <dt id="arg-valign">valign<a class="anchor" aria-label="anchor" href="#arg-valign"></a></dt>
<dd><p>Alignment in the y direction, one of "center", "top" ,
    or "bottom"</p></dd>

  <dt id="arg-cex">cex<a class="anchor" aria-label="anchor" href="#arg-cex"></a></dt>
<dd><p>Character size, see <code><a href="https://rdrr.io/r/graphics/par.html" class="external-link">par</a></code> for details. If
    unset, the code will atte