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Sections of reusable PostScript code can be modularized into procsets (procedure sets, corresponding to function libraries in other programming languages), in order to ease the generation of PostScript code. Procsets and other PostScript resources (for example, fonts) can be omitted from the PostScript file itself, and externally referenced by ...
PostScript (PS) is a page description language and dynamically typed, stack-based programming language.It is most commonly used in the electronic publishing and desktop publishing realm, but as a Turing complete programming language, it can be used for many other purposes as well.
Encapsulated PostScript (EPS) is a Document Structuring Convention (DSC) conforming PostScript document format usable as a graphics file format. The format was developed as early as 1987 by John Warnock and Chuck Geschke , the founders of Adobe , together with Aldus . [ 1 ]
PostScript is one of the most noted page description languages. The markup language adaptation of the PDL is the page description markup language. Page description languages are text (human-readable) or binary data streams, usually intermixed with text or graphics to be printed.
A PPD also contains the PostScript code (commands) used to invoke features for the print job. As such, PPDs function as drivers for all PostScript printers, by providing a unified interface for the printer's capabilities and features. For example, a generic PPD file for all models of HP Color LaserJet contains:
It is pure PostScript code without any sort of wrapper, and can be copied in full into a PS file to define the font to the PS interpreter. PFA is the preferred format for Type 1 fonts used in UNIX environments, and usually carries a ".PFA" file name extension.
PostScript is powerful language which allows variable data printing and personalization of the data stream with the right commands. To implement some of these features a programmer has to write a few, or sometimes many, lines of code. Xerox developed macro procedures in PostScript language dictionaries to make page control easier.
The PostScript Standard Encoding (often spelled StandardEncoding, aliased as PostScript [1]) is one of the character sets (or encoding vectors) used by Adobe Systems' PostScript (PS) since 1984. [2] In 1995, IBM assigned code page 1276 ( CCSID 1276) to this character set.