[magick-users] Transparency problem when converting png from 24-bit to 8-bit

[Alex Robinson]

The black part of an image I'm converting is disappearing.


Original
   <http://local.fu2k.org/alex/images/png8/original.png>

Photoshop conversion (CS3, exported as PNG8)
   <http://local.fu2k.org/alex/images/png8/photoshop.png>

ImageMagick conversion
   <http://fu2k.org/alex/images/png8/imagemagick.png>

I didn't do anything more fancy than:

   convert original.png PNG8:imagemagick.png


Is there a way that I can prevent ImageMagick vanishing the black?