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4. PostScript emulation
This chapter highlights certain programming features specific to
the 4213’s emulation of the Postscript Page Description
Language (PDL) and describes how this PDL differs from other
implementations of the PostScript language. Because this
chapter serves as a supplement, we have omitted the standard
information already described in the PostScript® Language
Reference Manual and related publications.
The reference material in this chapter is intended for
programmers who design host software to be used on the 4213
or who write their own programmes in the PostScript page
description language.
Userdict operators for page type
The following operators are defined in userdict; they accept no
arguments and yield no results. They select the imageable area
that corresponds to each type of paper, with the width referring
to the imageable area extending in the direction of the x-
coordinate, and the height referring to the y-coordinate.
papername —papername—
Only the imageable area, and not the paper type, can be
selected with papername. Valid strings for papername are
shown in table 4-1 on the next page.
XEROX 4213 LASER PRINTER PROGRAMMER REFERENCE 4–1