Cel opacity should be disable for Indexed images. At the moment we can change
it, but it's confusing if we want to export the image to a flatten format (e.g.
all cel opacities are set to 255)
Original issue reported on code.google.com by davidcapello on 17 Jul 2014 at 1:31
Original issue reported on code.google.com by
davidcapello
on 17 Jul 2014 at 1:31