This package provides a modular backend for rendering diagrams created with the diagrams EDSL using Postscript. Diagrams.Backend.Postscript.CmdLine - Provides the "mainWith" interface to render a diagram based on command line options. Diagrams.Backend.Postscript - Provides the general API for rendering diagrams using the Postscript backend. Diagrams.Backend.CMYK - Special support for CMYK color attributes.