238 lines
6.1 KiB
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238 lines
6.1 KiB
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of sane-sceptre</TITLE>
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</HEAD><BODY>
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<H1>sane-sceptre</H1>
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Section: SANE Scanner Access Now Easy (5)<BR>Updated: 11 Jul 2008<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="ixAAB"></A>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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sane-sceptre - SANE backend for SCEPTRE scanners
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<A NAME="lbAC"> </A>
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<H2>DESCRIPTION</H2>
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The
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<B>sane-sceptre</B>
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library implements a SANE (Scanner Access Now Easy) backend that
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provides access to Sceptre flatbed scanners. This backend should be
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considered
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<B>beta-quality</B>
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software! Please report any strange behavior to the maintainer of the
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backend or to the SANE mailing list.
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<P>
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At present, only one scanner is known to work with this backend:
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<P>
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<DL COMPACT><DT id="1"><DD>
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<PRE>
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Model Connection Type
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--------------------------- -------------------
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Sceptre VividScan S1200 SCSI
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</PRE>
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</DL>
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<P>
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The make of this scanner is KINPO, so other scanners from that manufacturer may also work (eg. the S600).
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<A NAME="lbAD"> </A>
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<H2>OPTIONS</H2>
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The options the backend supports can either be selected through command line
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options to programs like scanimage or through GUI elements in xscanimage or xsane.
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<P>
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Valid command line options and their syntax can be listed by using
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<DL COMPACT><DT id="2"><DD>
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scanimage --help -d sceptre
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</DL>
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<P>
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<DL COMPACT>
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<DT id="3"><B>Scan Mode</B>
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<DD>
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<P>
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<DT id="4"><B>--mode</B>
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<DD>
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selects the basic mode of operation of the scanner valid choices are
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<I>Lineart, Halftone, Gray and Color.</I>
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The Lineart and Halftone mode are black and white only (1 bit). Gray
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will produce 256 levels of gray (8 bits). Color will produce a 24 bits
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color image. The scanner supports 30 bits internally but it only
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exports 24.
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<P>
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<DT id="5"><B>--resolution</B>
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<DD>
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selects the resolution for a scan. The scanner can do several
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resolutions between 50 and 1200.
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<P>
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<DT id="6"><B>--halftone-pattern</B>
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<DD>
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selects the pattern mode that is used in Halftone mode. Valid options
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are 1, 2, 3 and 4.
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<P>
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<DT id="7"><B>--gamma-correction</B>
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<DD>
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controls the scanner internal gamma correction. Valid options are
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"Default", "User defined", "High density printing" "Low density
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printing" and "High contrast printing".
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<P>
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<DT id="8"><B>--custom-gamma</B>
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<DD>
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(color mode only) allows the user to specify a gamma table (see the
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next 3 parameters).
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<P>
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<DT id="9"><B>--red-gamma-table</B>
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<DD>
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(color mode only) can be used to download a user defined
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gamma table for the red channel. The table must be 256 bytes long.
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<P>
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<DT id="10"><B>--green-gamma-table</B>
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<DD>
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(color mode only) can be used to download a user defined
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gamma table for the green channel. The table must be 256 bytes long.
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<P>
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<DT id="11"><B>--blue-gamma-table</B>
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<DD>
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(color mode only) can be used to download a user defined gamma table
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for the blue channel. The table must be 256 bytes long.
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<P>
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<DT id="12"><B>--threshold</B>
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<DD>
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sets the threshold for black and white pixels in lineart
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mode. Possible values are from 0 (darker) to 255 (lighter).
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<P>
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<DT id="13"><B>--preview</B>
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<DD>
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requests a preview scan. The resolution used for that scan is 30 dpi
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and the scan area is the maximum allowed. The scan mode is user
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selected. The default is "no".
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<P>
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<DT id="14"><B>The geometry options</B>
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<DD>
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<P>
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<DT id="15"><B>-l -t -x -y</B>
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<DD>
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control the scan area: -l sets the top left x coordinate, -t the top
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left y coordinate, -x selects the width and -y the height of the scan
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area. All parameters are specified in millimeters by default.
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<P>
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<P>
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</DL>
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<A NAME="lbAE"> </A>
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<H2>CONFIGURATION FILE</H2>
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The configuration file @CONFIGDIR@/sceptre.conf supports only one information: the device name to use (eg /dev/scanner).
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<P>
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<P>
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<A NAME="lbAF"> </A>
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<H2>FILES</H2>
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<DL COMPACT>
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<DT id="16"><I>@LIBDIR@/libsane-sceptre.a</I>
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<DD>
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The static library implementing this backend.
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<DT id="17"><I>@LIBDIR@/libsane-sceptre.so</I>
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<DD>
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The shared library implementing this backend (present on systems that
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support dynamic loading).
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<P>
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<P>
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</DL>
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<A NAME="lbAG"> </A>
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<H2>ENVIRONMENT</H2>
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<DL COMPACT>
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<DT id="18"><B>SANE_DEBUG_SCEPTRE</B>
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<DD>
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If the library was compiled with debug support enabled, this
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environment variable controls the debug level for this backend. E.g.,
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a value of 128 requests all debug output to be printed. Smaller levels
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reduce verbosity.
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<P>
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<P>
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</DL>
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<A NAME="lbAH"> </A>
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<H2>LIMITATIONS</H2>
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<DL COMPACT>
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<DT id="19"><B>Resolutions</B>
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<DD>
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The windows TWAIN driver can be set to any resolution between 50 to 1200
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(excluding software interpolation). This backend cannot. Only a
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handful of resolution are available, although they should be numerous
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enough.
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<P>
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<P>
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</DL>
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<A NAME="lbAI"> </A>
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<H2>BUGS</H2>
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<P>
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None known.
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<P>
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<P>
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<A NAME="lbAJ"> </A>
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<H2>SEE ALSO</H2>
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<P>
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<A HREF="/cgi-bin/man/man2html?5+sane-scsi">sane-scsi</A>(5), <A HREF="/cgi-bin/man/man2html?1+scanimage">scanimage</A>(1), <A HREF="/cgi-bin/man/man2html?1+xscanimage">xscanimage</A>(1), <A HREF="/cgi-bin/man/man2html?1+xsane">xsane</A>(1), <A HREF="/cgi-bin/man/man2html?7+sane">sane</A>(7)
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<P>
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<P>
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<A NAME="lbAK"> </A>
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<H2>AUTHOR</H2>
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<P>
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<DL COMPACT>
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<DT id="20">The package is actively maintained by Frank Zago.<DD>
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<I><A HREF="http://www.zago.net/sane/#sceptre">http://www.zago.net/sane/#sceptre</A></I>
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<P>
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</DL>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="21"><A HREF="#lbAB">NAME</A><DD>
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<DT id="22"><A HREF="#lbAC">DESCRIPTION</A><DD>
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<DT id="23"><A HREF="#lbAD">OPTIONS</A><DD>
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<DT id="24"><A HREF="#lbAE">CONFIGURATION FILE</A><DD>
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<DT id="25"><A HREF="#lbAF">FILES</A><DD>
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<DT id="26"><A HREF="#lbAG">ENVIRONMENT</A><DD>
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<DT id="27"><A HREF="#lbAH">LIMITATIONS</A><DD>
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<DT id="28"><A HREF="#lbAI">BUGS</A><DD>
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<DT id="29"><A HREF="#lbAJ">SEE ALSO</A><DD>
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<DT id="30"><A HREF="#lbAK">AUTHOR</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:06:05 GMT, March 31, 2021
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