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+Purpose of jpeg2ps
+==================
+jpeg2ps converts JPEG files to PostScript Level 2 or 3 EPS. In fact, jpeg2ps
+is not really a converter but a "wrapper": it reads the image parameters
+(width, height, number of color components) in a JPEG file, writes the
+corresponding EPS header and then copies the compressed JPEG data to the output
+file. Decompression is done by the PostScript interpreter (only PostScript
+Level 2 and 3 interpreters support JPEG compression and decompression).
+If you have a slow communication channel and a fast printer, sending
+compressed image data is a big win.
+
+Note: if you are interested in conversion of JPEG or other formats to
+PDF take a look at PDFlib (http://www.pdflib.com).