D e b u g g i n g
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Activate the debug switch at the beginning of the script (set -x).

Then you can find debugging output in the printers logfile.

	/usr/spool/PrInTeRnAmE/log

Don't forget to comment out the debug switch later otherwise
your logfile will grow very quickly ;-)

Good debugging methods:

	Switch to virtual console 1 ALT-F1:
		tail -f /usr/spool/PrInTeRnAmE/log
	Switch to virtual console 2 ALT-F2 and print something:
		lpr /usr/lib/apsfilter/test/*66*
	Switch to virtual console 1 ALT-F1 and watch logfile growing ;-)

Works very fine in different Windows, if you have X11.