

<p>
With no additional parameters, the device named "permute" looks
to Ghostscript like a standard CMYK contone device, and outputs a
PPM file, using a simple CMYK-&gt;RGB transform. This should be the
baseline for regression testing.

<p>
With the addition of <tt><b>-dPermute=1</b></tt>, the internal behavior changes
somewhat, but in most cases the resulting rendered file should be the
same. In this mode, the color model becomes "DeviceN" rather than
"DeviceCMYK", the number of components goes to six, an