ement to do halftones is planned as well. Note,
however, that when testing permuted halftones for consistency, it is
important to permute the planes of the default halftone accordingly, and
that any file which sets halftones explicitly will fail a consistency
check.

<h3><a name="SPOT"></a>spotcmyk (DeviceN color model)</h3>

<p>
The <tt>spotcmyk</tt> device was created for debugging and testing of the DeviceN
extensions to Ghostscript that were released in version 8.0.
There are also another device (<tt>de