L. Peter Deutsch Re: DeviceN color spaces (Retaining colour images in PDF)
Apr 17, 1998; 10:59
L. Peter Deutsch
Re: DeviceN color spaces (Retaining colour images in PDF)
> Photoshop 5.0 uses whats called a DeviceN opperator which fixes this > problem, but that won't be around until summer (?).
Note that DeviceN is a PostScript LanguageLevel 3 color space (not an operator): you will need a PostScript 3 printer, or perhaps a (future) Acrobat product that can take LL3 in and produce LL2 out, to handle any file that uses it. Furthermore, the published PDF 1.2 specification (which is what Acrobat 3.0 handles) doesn't include DeviceN color spaces: presumably they will be supported in the as-yet-unannounced PDF 1.3, and you will need Acrobat product upgrades to process them.
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