I have a problem combing a scattering media with another media:

When I try to add a second media (to the same interior block),
the first one gets much brighter, even when the second media
doesn't contribute anything at all (like emission 0).
This behavior is the same in 3.1, 3.5 and megapov.

Bug, limitation, intended behavior?

Minimal scene:

camera{
 spherical angle 360
 location -z+y look_at y
}     

light_source{
 <0,1,0>*1000
 color rgb 2
 rotate z*45 rotate y*180
} 

sphere{
 0,1 hollow pigment{color rgbt 1}
 interior{
  media{
   scattering{4,rgb <0.1,0.12,.2>*.01}
  }
  media{emission 0}
 }                         
 scale <10,2,10>*50
}

Lutz-Peter

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