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26-Feb-87 13:46:28-MST,1632;000000000000
Mail-From: BEEBE created at 26-Feb-87 13:46:24
Date: Thu 26 Feb 87 13:46:24-MST
From: "Nelson H.F. Beebe" <Beebe@UTAH-SCIENCE.ARPA>
Subject: DVI family update #5
To: $90%dhdurz1.bitnet@WISCVM.WISC.EDU, austins%ucbcmsa.edu@UTAH-CS.ARPA,
cel@CITHEX.CALTECH.EDU, crawford-j%ohio-state.arpa@UTAH-CS.ARPA,
crm8701%tamvenus.bitnet@WISCVM.WISC.EDU,
david%ci-dandelion.uucp@EDDIE.MIT.EDU,
gaspard%hroeur5.bitnet@WISCVM.WISC.EDU,
james%vaxe.coe.northeastern.edu@UTAH-CS.ARPA,
lamy%ai.toronto.edu@RELAY.CS.NET, mpc91b%dgogwd01.bitnet@WISCVM.WISC.EDU,
rjones%uwovax.bitnet@WISCVM.WISC.EDU, rs%gnome.cs.cmu.edu@UTAH-CS.ARPA,
stone%ruthep.rutgers.edu@RUTGERS.RUTGERS.EDU,
system%uvphys.bitnet@WISCVM.WISC.EDU, thobe@EE.UCLA.EDU,
x854%ddagsi3.bitnet@WISCVM.WISC.EDU, zeffi%finabo.bitnet@WISCVM.WISC.EDU
cc: BEEBE@UTAH-SCIENCE.ARPA
X-US-Mail: "Center for Scientific Computation, South Physics, University of Utah, Salt Lake City, UT 84112"
X-Telephone: (801) 581-5254
Message-ID: <12282197588.22.BEEBE@UTAH-SCIENCE.ARPA>
In dispchar.h, change the line
rightones[HOST_WORD_SIZE - 1 - bits_to_next] &
to
rightones[bits_to_next] &
This code is not active for non 32-bit machines, or the IBM
PC, and the local 32-bit Unix machines running the driver
family have been using only the laser printer members, so
the bug was not caught until we actually tried DVIPRX output
under VAX VMS. The effect it has is that large vertical
white streaks appear in the output bitmap; dispchar() is
used by all the low-resolution dot matrix printers.
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