Obtaining original CMYK from PDF

The latest GM snapshot (and CVS) now supports returning CMYK from a 
PDF if it is invoked like

   gm convert -type ColorSeparation input.pdf output.tiff

The CMYK returned may or may not be the original CMYK since I notice 
that if the input PDF is in RGB colorspace, Ghostscript still returns 
CMYK.  Hopefully if the PDF is in a consistent CMYK colorspace, 
Ghostscript will produce CMYK in that colorspace (rather than some 
other CMYK space).

Testing is needed for this feature.

Bob
-- 
Bob Friesenhahn
[email protected], http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/

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