M src/homwarp.c => src/homwarp.c +1 -0
@@ 121,6 121,7 @@ static char *help_string_long =
"\n"
"Options:\n"
" -i use the inverse homography\n"
+" -p use periodic boundary conditions\n"
" -o ORDER choose a different interpolation method (default = -3)\n"
" -h display short help message\n"
" --help display longer help message\n"