Do light sources in POV 3.7 use srgb or rgb? Do the colors need to be
adjusted to the new system? For instance:
light_source
{
-z * 40960
<pow(light_color.red,2.2),pow(light_color.green,2.2),pow(light_color.blue,2.2)>
rotate -x * 60
rotate +y * 45
parallel
}
