/dd>
    <dt><a href="qh-optf.html#Fa">Fa</a></dt>
    <dd>print area for each Delaunay region. The first line is the number of regions.
        The areas follow, one line per region.  For the circle-in-square example, the
        cocircular region has area 0.4. </dd>
    <dt>&nbsp;</dt>
    <dt>&nbsp;</dt>
    <dd><b>Input sites</b></dd>
    <dt><a href="qh-optf.html#Fc">Fc</a></dt>
    <dd>list coincident input sites for each Delaunay region.
        The first line is the number of regions.  The remaining