13 PostScript and PDF
PostScript is a printing and plotting language developed by the Adobe Systems Inc. Unlike the printing instructions for other types of printers, the PostScript code may be written to an ASCII file, viewed on a computer monitor, put online, downloaded, or included in e-mails. It therefore represents a type of electronic paper.
It is also a programming language and thus offers enormous possibilities for including special effects that cannot easily be inserted with other output formats. Several packages exist to exploit these, packages that are then limited to PostScript output. However, the PostScript advantages are so attractive that this can be justified.
Portable Document Format, PDF, is another Adobe specification, a ...
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