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+hp2xx reads HPGL ASCII source files, interprets them, and
+converts them into either another vector-oriented format or
+one of several rasterfile formats. Currently, its HPGL
+parser recognizes a subset of the HP 7550A command set. Some
+high-level functions like filled polygons are missing.
+Also, only the basic fixed character set 0 is supported.
+Beside these limitations, hp2xx has proven to work with many
+HP-GL sources without any trouble.
+
+In addition, hp2xx includes an X11 previewer for HPGL files.
+
+Supported vector formats are: TeX/Metafont, emTex-specials,
+TeX/epic-Macros, and -I PostScript.
+
+Supported raster formats are: HP-PCL, PCX, PIC, IMG,
+PBM, and previews. However, generation of other formats is
+made easy for programmers because of hp2xx's modular struc-
+ture.