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5.3.2 Fonts Description Files

There are two kinds of data a2ps needs to use a font:

• - the AFM file (font-key.afm), which describes the metrics information corresponding to font;
• - in the case font is not known from the printer, the PFA or PFB file which is down loaded to the printer. These files are actually the PostScript programs which execution produces the characters to be drawn on the page, in this font.