rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");
rprintf(F," --out-format=FORMAT output updates using the specified FORMAT\n");
rprintf(F," --log-file=FILE log what we're doing to the specified FILE\n");
rprintf(F," --log-file-format=FMT log updates using the specified FMT\n");