Let's Move Forward Quickly --McIlroy

The antecedents of JDF are, first of all, CIP3 (acronym for International Cooperation for Integration of Prepress, Press and Postpress), which in the late '90s developed PPF (Print Production Format), a file format used for ink key presetting, folding and trimming. At the same time Adobe was building into PDF a format subset called PJTF, the Portable Job Ticket Format, designed to control PDF output.