CMYK Overprinting and Knockout in Ghostscript

Question

I\'m trying to get a grasp on the capabilities of the current version of Ghostscript (see also this question that I asked a few days ago). So, I downloaded a \"test form\" for t

Answer 1

I may be very late to the party but this works for me:

gs -dBATCH -dNOPAUSE -dSimulateOverprint=true \
   -sDEVICE=jpegcmyk -sOUTPUTFILE=overprint.jpg overprint.pdf