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Interpress is a page description language developed at Xerox PARC, based on the Forth programming language[1] and an earlier graphics language called JaM. PARC was unable to commercialize Interpress. Two of its creators, Chuck Geschke and John Warnock, left Xerox, formed Adobe Systems, and produced a similar language called PostScript. Interpress is used in some Xerox printers, and is supported in Xerox Ventura Publisher. Interpress is also used as the output format for PARC's InterScript system, which is an editable word processor format for rich text documents.


  1. ^ Harrington, Steven; Buckley, Robert R. (1988). Interpress, the Source Book. Brady Book. p. 18. ISBN 0-13-475591-X.

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