Is there a known bug involving media in blobs? The following code produces
lots of white dots around the boundry of the blob. The white dots only
appear if there is an object behind the blob. In the code below, comment out
the black box and the dots disappear.
If sturm is commented out of the blob declaration most of the white dots
vanish, but not all.

Using Pov-Ray 3.6.1.id8.win32

I could have sworn this didn't happen in 3.5

Anyone else seen this? Anyone know of a workaround?

// code

camera {
 location <0,0,-5>
 look_at <0,0,0>
 angle 20
}

blob {
 threshold 0.65
 sphere

  <0.5,0,0>,0.8,1
 }
 sphere

  <-0.5,0,0>,0.8,1
 }
 sturm
 hierarchy
 hollow
 material {
  texture {
   pigment {rgbt 1}
  }
  interior {
   media {
    emission <1,0.7,0.25>*2
   }
  }
 }
}

box {
 <-20,-20,20>,<20,20,21>
 pigment {rgb 0}
 hollow
 no_shadow
}

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