203 lines
3.4 KiB
HTML
203 lines
3.4 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of COLCRT</TITLE>
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</HEAD><BODY>
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<H1>COLCRT</H1>
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Section: User Commands (1)<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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<BR>BSD mandoc<BR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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<B>colcrt</B>
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- filter nroff output for CRT previewing
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<B></B>
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[-
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]
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[-<B>2</B>
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]
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[<I>file ...</I>
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]
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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The
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<B></B>
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utility provides virtual half-line and reverse line feed sequences
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for terminals without such capability, and on which overstriking
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is destructive.
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Half-line characters and underlining (changed to dashing `-')
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are placed on new lines in between the normal output lines.
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<P>
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The following options are available:
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<DL COMPACT>
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<P>
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<DT id="1"><B>-
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</B>
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<DD>
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Suppress all underlining.
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This option is especially useful for previewing
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<I>allboxed</I>
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tables from
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<A HREF="/cgi-bin/man/man2html?1+tbl">tbl</A>(1).
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<DT id="2"><B>-2</B>
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<DD>
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Cause all half-lines to be printed, effectively double spacing the output.
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Normally, a minimal space output format is used which will suppress empty
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lines.
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The program never suppresses two consecutive empty lines, however.
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The
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-<B>2</B>
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option is useful for sending output to the line printer when the output
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contains superscripts and subscripts which would otherwise be invisible.
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</DL>
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<P>
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<A NAME="lbAE"> </A>
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<H2>ENVIRONMENT</H2>
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The
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<B>LANG , LC_ALL</B>
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and
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<B>LC_CTYPE</B>
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environment variables affect the execution of
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<B></B>
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as described in
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<A HREF="/cgi-bin/man/man2html?7+environ">environ</A>(7).
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<A NAME="lbAF"> </A>
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<H2>EXIT STATUS</H2>
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Ex -std
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<A NAME="lbAG"> </A>
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<H2>EXAMPLES</H2>
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A typical use of
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<B></B>
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would be
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<PRE>
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tbl exum2.n | nroff -ms | colcrt - | more
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</PRE>
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<A NAME="lbAH"> </A>
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<H2>SEE ALSO</H2>
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<A HREF="/cgi-bin/man/man2html?1+col">col</A>(1),
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<A HREF="/cgi-bin/man/man2html?1+more">more</A>(1),
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<A HREF="/cgi-bin/man/man2html?1+nroff">nroff</A>(1),
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<A HREF="/cgi-bin/man/man2html?1+troff">troff</A>(1),
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<A HREF="/cgi-bin/man/man2html?1+ul">ul</A>(1)
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<A NAME="lbAI"> </A>
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<H2>HISTORY</H2>
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The
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<B></B>
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command appeared in
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BSD 3.0
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<A NAME="lbAJ"> </A>
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<H2>BUGS</H2>
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Should fold underlines onto blanks even with the
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`-
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'
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option so that
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a true underline character would show.
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<P>
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Cannot back up more than 102 lines.
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<P>
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General overstriking is lost;
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as a special case
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`|'
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overstruck with
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`-'
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or underline becomes
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`+'
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<P>
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Lines are trimmed to 132 characters.
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<P>
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Some provision should be made for processing superscripts and subscripts
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in documents which are already double-spaced.
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<P>
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Characters that take up more than one column position may not be
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underlined correctly.
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<P>
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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="3"><A HREF="#lbAB">NAME</A><DD>
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<DT id="4"><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT id="5"><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT id="6"><A HREF="#lbAE">ENVIRONMENT</A><DD>
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<DT id="7"><A HREF="#lbAF">EXIT STATUS</A><DD>
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<DT id="8"><A HREF="#lbAG">EXAMPLES</A><DD>
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<DT id="9"><A HREF="#lbAH">SEE ALSO</A><DD>
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<DT id="10"><A HREF="#lbAI">HISTORY</A><DD>
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<DT id="11"><A HREF="#lbAJ">BUGS</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: 00:05:09 GMT, March 31, 2021
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</BODY>
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</HTML>
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