Improve markup, remove trailing whitespace and empty section.
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@ -1,4 +1,4 @@
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.\" $NetBSD: cpi.4,v 1.1 2008/05/22 19:49:43 hauke Exp $
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.\" $NetBSD: cpi.4,v 1.2 2008/05/23 13:05:09 wiz Exp $
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.\"
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.\" Copyright (c) 2008 Hauke Fath. All rights reserved.
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.\"
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@ -74,10 +74,7 @@ The Z8536 INT line (pin 24) is wired to PB7 (pin 15).
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.Xr nubus 4 ,
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.Xr printcap 5
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.Pp
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.Xr IEEE Std 1284-1994
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.\"
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.\" Cross-references should be ordered by section (low to high), then in
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.\" alphabetical order.
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.Tn IEEE Standard 1284-1994
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.\" .Sh STANDARDS
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.\"
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.Sh HISTORY
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@ -90,13 +87,11 @@ The
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.Nm
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driver was written by
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.An Hauke Fath
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.Aq hauke@NetBSD.org
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.Aq hauke@NetBSD.org .
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.\"
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.Sh CAVEATS
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The Hurdler CPI Nubus card does not use a TTL buffer to
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drive the parallel interface.
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Instead, the card's Z8536 CIO drives the printer port directly.
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Printers terminating the parallel interface with less
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The Hurdler CPI Nubus card does not use a TTL buffer to
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drive the parallel interface.
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Instead, the card's Z8536 CIO drives the printer port directly.
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Printers terminating the parallel interface with less
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than 2 kOhms may cause permanent damage to the Z8536 CIO.
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.\"
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.Sh BUGS
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