joe db0b5e6c41 Merge from NetBSD: revs 1.12 and 1.21 - 1.23
Original NetBSD log messages are:

	----------------------------
	revision 1.23
	date: 2001/12/12 15:48:18;  author: augustss;  lines: +132 -114
	Add a scanner quirk for keeping the pipes open between device opening.
	Idea from Enami.
	----------------------------
	revision 1.22
	date: 2001/12/03 01:47:13;  author: augustss;  lines: +8 -16
	Handle vendor/product lookup with a common routine.
	----------------------------
	revision 1.21
	date: 2001/12/01 09:42:39;  author: enami;  lines: +4 -4
	Shorten wmesg so that they can be distinguished in ps/top output.
	----------------------------
	revision 1.12
	date: 2001/01/23 14:04:14;  author: augustss;  lines: +7 -1
	Make sure driver attach/detach events are generated in a
	consistent manner.
	----------------------------

PR:
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MFC after:
2002-02-11 02:57:50 +00:00
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