I just noticed, from the docs regarding octaves (6.7.12.6.4.1 Octaves):
Legal values range from 1 to 10.
> texture { pigment_pattern { bozo color_map {[0 rgb 0][1 rgb 1]} scale
.3
> turbulence .17 lambda 8.4 octaves 12 omega .9}
Octaves 12 is not supposed to be legal.
-tgq
