= "\n\
qvoronoi- compute the Voronoi diagram.  Qhull %s\n\
    input (stdin): dimension, number of points, point coordinates\n\
    comments start with a non-numeric character\n\
\n\
options (qvoronoi.htm):\n\
    Qu   - compute furthest-site Voronoi diagram\n\
    Tv   - verify result: structure, convexity, and in-circle test\n\
    .    - concise list of all options\n\
    -    - one-line description of all options\n\
    -V   - version\n\
\n\
output options (subset):\n\
    s    - summary of results (default)\n\
    p    - Voronoi vertices\n\
    o    - OFF file format (dim, Voronoi vertices, and Voronoi regions)\n\
    FN   - count and Voronoi vertices for each Voronoi region\n\
    Fv   - Voronoi diagram as Voronoi vertices between adjacent input sites\n\
    Fi   - separating hyperplanes for bounded regions, 'Fo' for unbounded\n\
    G    - Geomview output (2-d only)\n\
    QVn  - Voronoi vertices for input point n, -n if not\n\
    TO file- output results to file, may be enclosed in single quotes\n\
\n\
examples:\n\
rbox c P0 D2 | qvoronoi s o         rbox c P0 D2 | qvoronoi Fi\n\
rbox c P0 D2 | qvoronoi Fo          rbox c P0 D2 | qvoronoi Fv\n\
rbox c P0 D2 | qvoronoi s Qu Fv     rbox c P0 D2 | qvoronoi Qu Fo\n\
rbox c G1 d D2 | qvoronoi s p       rbox c P0 D2 | qvoronoi s Fv QV0\n\
\n\
"