Category:PostScript: Difference between revisions
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{{language|PostScript}}
'''PostScript''' is a concatenative dynamically typed language with abundant meta language facilites. It allows definition of new control structures at run time, allows reflection and reification of stack, scopes, and even continuations. With Display PostScript, the language even has facilities for multi-threaded execution. Since the language is based on stack, it is suitable for combinator based programming, and all the higher order combinators (initiated by joy language) is applicable in postscript. The language also allows a form of proto-type based object orientated programming using dictionaries.
'''PostScript''' originated as a printer definition language invented by the founders of '''Adobe'''. The language was necessitated by the increasing demands of printing and rendering jobs on the computers of the 70s. These tasks were therefore pushed to the printers themselves, with the result that printers now had chips and built in interpreters for PostScript. With the growth of printing complexity, some printers ended up having even more powerful processors than the master systems themselves.
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