These commands convert buffer contents to Postscript, either printing it or leaving it in another Emacs buffer.
The Postscript commands, ps-print-buffer and
ps-print-region, print buffer contents in Postscript form. One
command prints the entire buffer; the other, just the region. The
corresponding `-with-faces' commands,
ps-print-buffer-with-faces and ps-print-region-with-faces,
use Postscript features to show the faces (fonts and colors) in the text
properties of the text being printed.
If you are using a color display, you can print a buffer of program
code with color highlighting by turning on Font-Lock mode in that
buffer, and using ps-print-buffer-with-faces.
The commands whose names have `spool' instead of `print' generate the Postscript output in an Emacs buffer instead of sending it to the printer.
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