= "\
More formats:\n\
    Fa   - area for each Delaunay region\n\
    FA   - compute total area for option 's'\n\
    Fc   - count plus coincident points for each Delaunay region\n\
    Fd   - use cdd format for input (homogeneous with offset first)\n\
    FD   - use cdd format for numeric output (offset first)\n\
    FF   - facet dump without ridges\n\
    FI   - ID of each Delaunay region\n\
    Fm   - merge count for each Delaunay region (511 max)\n\
    FM   - Maple output (2-d only, lifted to a paraboloid)\n\
    Fn   - count plus neighboring region for each Delaunay region\n\
    FN   - count plus neighboring region for each point\n\
    FO   - options and precision constants\n\
    FP   - nearest point and distance for each coincident point\n\
    FQ   - command used for qdelaunay\n\
    Fs   - summary: #int (8), dimension, #points, tot vertices, tot facets,\n\
                    for output: #vertices, #Delaunay regions,\n\
                                #coincident points, #non-simplicial regions\n\
                    #real (2), max outer plane, min vertex\n\
    FS   - sizes:   #int (0)\n\
                    #real (2), tot area, 0\n\
    Fv   - count plus vertices for each Delaunay region\n\
    Fx   - extreme points of Delaunay triangulation (on convex hull)\n\
\n\
"