"PoD" wrote:
> At the edges of objects the rgb values of the object are AAed
> with the background colour.  When I turn on transparency, it's
> because I want the background to represent _nothing_, how can
> nothing have a colour?  There should be no leftovers to remove.

Exactly. The background presence should be stored in the alpha
channel only. Not in the red, green and blue components.

I have posted an image to povray.binaries.images and a bug report
to povray.bugreports

Rune
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