Indenting chapter 6, part 6

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@7348 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

1 files changed, 458 insertions, 359 deletions

diff --git a/chapter06/groff.xml b/chapter06/groff.xml
index db13ad57e..9f41b2ae3 100644
--- a/chapter06/groff.xml
+++ b/chapter06/groff.xml
@@ -1,395 +1,494 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
+<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
+  "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
   <!ENTITY % general-entities SYSTEM "../general.ent">
   %general-entities;
 ]>
+
 <sect1 id="ch-system-groff" role="wrap">
-<title>Groff-&groff-version;</title>
-<?dbhtml filename="groff.html"?>
+  <?dbhtml filename="groff.html"?>
+
+  <title>Groff-&groff-version;</title>
+
+  <indexterm zone="ch-system-groff">
+    <primary sortas="a-Groff">Groff</primary>
+  </indexterm>
+
+  <sect2 role="package">
+    <title/>
 
-<indexterm zone="ch-system-groff"><primary sortas="a-Groff">Groff</primary></indexterm>
+    <para>The Groff package contains programs for processing and formatting
+    text.</para>
 
-<sect2 role="package"><title/>
-<para>The Groff package contains programs for processing and formatting text.</para>
+    <segmentedlist>
+      <segtitle>&buildtime;</segtitle>
+      <segtitle>&diskspace;</segtitle>
 
-<segmentedlist>
-<segtitle>&buildtime;</segtitle>
-<segtitle>&diskspace;</segtitle>
-<seglistitem><seg>0.5 SBU</seg><seg>38.7 MB</seg></seglistitem>
-</segmentedlist>
+      <seglistitem>
+        <seg>0.5 SBU</seg>
+        <seg>38.7 MB</seg>
+      </seglistitem>
+    </segmentedlist>
 
-<segmentedlist>
-<segtitle>&dependencies;</segtitle>
-<seglistitem><seg>Bash, Binutils, Coreutils, Diffutils,
-Gawk, GCC, Glibc, Grep, Make, and Sed</seg></seglistitem>
-</segmentedlist>
-</sect2>
+    <segmentedlist>
+      <segtitle>&dependencies;</segtitle>
 
-<sect2 role="installation">
-<title>Installation of Groff</title>
+      <seglistitem>
+        <seg>Bash, Binutils, Coreutils, Diffutils, Gawk, GCC, Glibc, Grep,
+        Make, and Sed</seg>
+      </seglistitem>
+    </segmentedlist>
 
-<para>Apply the patch that adds the <quote>ascii8</quote> and
-<quote>nippon</quote> devices to Groff:</para>
+  </sect2>
+
+  <sect2 role="installation">
+    <title>Installation of Groff</title>
+
+    <para>Apply the patch that adds the <quote>ascii8</quote> and
+    <quote>nippon</quote> devices to Groff:</para>
 
 <screen><userinput>zcat ../&groff-debian-patch; | patch -Np1</userinput></screen>
 
-<note><para>These devices are used by Man-DB when formatting non-English manual
-pages that are not in the ISO-8859-1 encoding. Currently, there is no working
-patch for Groff-1.19.x that adds this functionality.
-<!-- Details: http://bugs.debian.org/196762 -->
-</para></note>
+    <note>
+      <para>These devices are used by Man-DB when formatting non-English manual
+      pages that are not in the ISO-8859-1 encoding. Currently, there is no
+      working patch for Groff-1.19.x that adds this functionality.</para>
+      <!-- Details: http://bugs.debian.org/196762 -->
+    </note>
 
-<para>Many screen fonts don't have Unicode single quotes and dashes in them.
-Tell Groff to use the ASCII equivalents instead:</para>
+    <para>Many screen fonts don't have Unicode single quotes and dashes in them.
+    Tell Groff to use the ASCII equivalents instead:</para>
 
 <screen><userinput>sed -i -e 's/2010/002D/' -e 's/2212/002D/' \
-    -e 's/2018/0060/' -e 's/2019/0027/' font/devutf8/R.proto
-</userinput></screen>
+    -e 's/2018/0060/' -e 's/2019/0027/' font/devutf8/R.proto</userinput></screen>
 
-<para>Groff expects the environment variable <envar>PAGE</envar>
-to contain the default paper size. For users in the United States,
-<parameter>PAGE=letter</parameter> is appropriate. Elsewhere,
-<parameter>PAGE=A4</parameter> may be more suitable.
-While the default paper size is configured during compilation, it can be
-overridden later by echoing either <quote>A4</quote> or <quote>letter</quote>
-to the <filename>/etc/papersize</filename> file.</para>
+    <para>Groff expects the environment variable <envar>PAGE</envar> to
+    contain the default paper size. For users in the United States,
+    <parameter>PAGE=letter</parameter> is appropriate. Elsewhere,
+    <parameter>PAGE=A4</parameter> may be more suitable. While the default
+    paper size is configured during compilation, it can be overridden later
+    by echoing either <quote>A4</quote> or <quote>letter</quote> to the
+    <filename>/etc/papersize</filename> file.</para>
 
-<para>Prepare Groff for compilation:</para>
+    <para>Prepare Groff for compilation:</para>
 
 <screen><userinput>PAGE=<replaceable>[paper_size]</replaceable> ./configure --prefix=/usr --enable-multibyte</userinput></screen>
 
-<para>Compile the package:</para>
+    <para>Compile the package:</para>
 
 <screen><userinput>make</userinput></screen>
 
-<para>This package does not come with a test suite.</para>
+    <para>This package does not come with a test suite.</para>
 
-<para>Install the package:</para>
+    <para>Install the package:</para>
 
 <screen><userinput>make install</userinput></screen>
 
-<para>Some documentation programs, such as <command>xman</command>,
-will not work properly without the following symlinks:</para>
+    <para>Some documentation programs, such as <command>xman</command>,
+    will not work properly without the following symlinks:</para>
 
 <screen><userinput>ln -sv soelim /usr/bin/zsoelim
 ln -sv eqn /usr/bin/geqn
 ln -sv tbl /usr/bin/gtbl</userinput></screen>
 
-</sect2>
-
-
-<sect2 id="contents-groff" role="content"><title>Contents of Groff</title>
-
-<segmentedlist>
-<segtitle>Installed programs</segtitle>
-<seglistitem><seg>addftinfo, afmtodit, eqn, eqn2graph, geqn (link to eqn), grn,
-grodvi, groff, groffer, grog, grolbp, grolj4, grops, grotty, gtbl (link to tbl), hpftodit,
-indxbib, lkbib, lookbib, mmroff, neqn, nroff, pfbtops, pic, pic2graph, post-grohtml,
-pre-grohtml, refer, soelim, tbl, tfmtodit, troff, and zsoelim (link to soelim)</seg></seglistitem>
-</segmentedlist>
-
-<variablelist><bridgehead renderas="sect3">Short Descriptions</bridgehead>
-<?dbfo list-presentation="list"?>
-<?dbhtml list-presentation="table"?>
-
-<varlistentry id="addftinfo">
-<term><command>addftinfo</command></term>
-<listitem>
-<para>Reads a troff font file and adds some
-additional font-metric information that is used by the <command>groff</command> system</para>
-<indexterm zone="ch-system-groff addftinfo"><primary sortas="b-addftinfo">addftinfo</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="afmtodit">
-<term><command>afmtodit</command></term>
-<listitem>
-<para>Creates a font file for use with <command>groff</command> and <command>grops</command></para>
-<indexterm zone="ch-system-groff afmtodit"><primary sortas="b-afmtodit">afmtodit</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="eqn">
-<term><command>eqn</command></term>
-<listitem>
-<para>Compiles descriptions of equations embedded
-within troff input files into commands that are understood by <command>troff</command></para>
-<indexterm zone="ch-system-groff eqn"><primary sortas="b-eqn">eqn</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="eqn2graph">
-<term><command>eqn2graph</command></term>
-<listitem>
-<para>Converts a troff EQN (equation) into a cropped image</para>
-<indexterm zone="ch-system-groff eqn2graph"><primary sortas="b-eqn2graph">eqn2graph</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="geqn">
-<term><command>geqn</command></term>
-<listitem>
-<para>A link to <command>eqn</command></para>
-<indexterm zone="ch-system-groff geqn"><primary sortas="b-geqn">geqn</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="grn">
-<term><command>grn</command></term>
-<listitem>
-<para>A <command>groff</command> preprocessor for gremlin files</para>
-<indexterm zone="ch-system-groff grn"><primary sortas="b-grn">grn</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="grodvi">
-<term><command>grodvi</command></term>
-<listitem>
-<para>A driver for <command>groff</command> that produces TeX dvi format</para>
-<indexterm zone="ch-system-groff grodvi"><primary sortas="b-grodvi">grodvi</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="groff">
-<term><command>groff</command></term>
-<listitem>
-<para>A front-end to the groff document
-formatting system; normally, it runs the <command>troff</command> program and a post-processor
-appropriate for the selected device</para>
-<indexterm zone="ch-system-groff groff"><primary sortas="b-groff">groff</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="groffer">
-<term><command>groffer</command></term>
-<listitem>
-<para>Displays groff files and man pages on X and tty terminals</para>
-<indexterm zone="ch-system-groff groffer"><primary sortas="b-groffer">groffer</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="grog">
-<term><command>grog</command></term>
-<listitem>
-<para>Reads files and guesses which of the <command>groff</command>
-options <parameter>-e</parameter>, <parameter>-man</parameter>, 
-<parameter>-me</parameter>, <parameter>-mm</parameter>,
-<parameter>-ms</parameter>, <parameter>-p</parameter>, <parameter>-s</parameter>, 
-and <parameter>-t</parameter> are required for printing
-files, and reports the <command>groff</command> command including those options</para>
-<indexterm zone="ch-system-groff grog"><primary sortas="b-grog">grog</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="grolbp">
-<term><command>grolbp</command></term>
-<listitem>
-<para>Is a <command>groff</command> driver for Canon CAPSL printers
-(LBP-4 and LBP-8 series laser printers)</para>
-<indexterm zone="ch-system-groff grolbp"><primary sortas="b-grolbp">grolbp</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="grolj4">
-<term><command>grolj4</command></term>
-<listitem>
-<para>Is a driver for <command>groff</command> that produces output
-in PCL5 format suitable for an HP LaserJet 4 printer</para>
-<indexterm zone="ch-system-groff grolj4"><primary sortas="b-grolj4">grolj4</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="grops">
-<term><command>grops</command></term>
-<listitem>
-<para>Translates the output of GNU <command>troff</command> to PostScript</para>
-<indexterm zone="ch-system-groff grops"><primary sortas="b-grops">grops</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="grotty">
-<term><command>grotty</command></term>
-<listitem>
-<para>Translates the output of GNU <command>troff</command> into
-a form suitable for typewriter-like devices</para>
-<indexterm zone="ch-system-groff grotty"><primary sortas="b-grotty">grotty</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="gtbl">
-<term><command>gtbl</command></term>
-<listitem>
-<para>A link to <command>tbl</command></para>
-<indexterm zone="ch-system-groff gtbl"><primary sortas="b-gtbl">gtbl</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="hpftodit">
-<term><command>hpftodit</command></term>
-<listitem>
-<para>Creates a font file for use with
-<command>groff -Tlj4</command> from an HP-tagged font metric file</para>
-<indexterm zone="ch-system-groff hpftodit"><primary sortas="b-hpftodit">hpftodit</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="indxbib">
-<term><command>indxbib</command></term>
-<listitem>
-<para>Creates an inverted index for the bibliographic databases with a specified file for 
-use with <command>refer</command>, <command>lookbib</command>, and <command>lkbib</command></para>
-<indexterm zone="ch-system-groff indxbib"><primary sortas="b-indxbib">indxbib</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="lkbib">
-<term><command>lkbib</command></term>
-<listitem>
-<para>Searches bibliographic databases for references that contain
-specified keys and reports any references found</para>
-<indexterm zone="ch-system-groff lkbib"><primary sortas="b-lkbib">lkbib</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="lookbib">
-<term><command>lookbib</command></term>
-<listitem>
-<para>Prints a prompt on the standard error (unless the standard input
-is not a terminal), reads a line containing a
-set of keywords from the standard input, searches the bibliographic databases in a specified
-file for references containing those keywords, prints any references
-found on the standard output, and repeats this process until the end
-of input</para>
-<indexterm zone="ch-system-groff lookbib"><primary sortas="b-lookbib">lookbib</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="mmroff">
-<term><command>mmroff</command></term>
-<listitem>
-<para>A simple preprocessor for <command>groff</command></para>
-<indexterm zone="ch-system-groff mmroff"><primary sortas="b-mmroff">mmroff</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="neqn">
-<term><command>neqn</command></term>
-<listitem>
-<para>Formats equations for American Standard Code for Information 
-Interchange (ASCII) output</para>
-<indexterm zone="ch-system-groff neqn"><primary sortas="b-neqn">neqn</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="nroff">
-<term><command>nroff</command></term>
-<listitem>
-<para>A script that emulates the <command>nroff</command> command using <command>groff</command></para>
-<indexterm zone="ch-system-groff nroff"><primary sortas="b-nroff">nroff</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="pfbtops">
-<term><command>pfbtops</command></term>
-<listitem>
-<para>Translates a PostScript font in <filename class="extension">.pfb</filename> format to ASCII</para>
-<indexterm zone="ch-system-groff pfbtops"><primary sortas="b-pfbtops">pfbtops</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="pic">
-<term><command>pic</command></term>
-<listitem>
-<para>Compiles descriptions of pictures embedded
-within troff or TeX input files into commands understood by TeX or <command>troff</command></para>
-<indexterm zone="ch-system-groff pic"><primary sortas="b-pic">pic</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="pic2graph">
-<term><command>pic2graph</command></term>
-<listitem>
-<para>Converts a PIC diagram into a cropped image</para>
-<indexterm zone="ch-system-groff pic2graph"><primary sortas="b-pic2graph">pic2graph</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="post-grohtml">
-<term><command>post-grohtml</command></term>
-<listitem>
-<para>Translates the output of GNU <command>troff</command> to HTML</para>
-<indexterm zone="ch-system-groff post-grohtml"><primary sortas="b-post-grohtml">post-grohtml</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="pre-grohtml">
-<term><command>pre-grohtml </command></term>
-<listitem>
-<para>Translates the output of GNU <command>troff</command> to HTML</para>
-<indexterm zone="ch-system-groff pre-grohtml"><primary sortas="b-pre-grohtml">pre-grohtml</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="refer">
-<term><command>refer</command></term>
-<listitem>
-<para>Copies the contents of a file to the standard output, except
-that lines between <emphasis>.[</emphasis> and <emphasis>.]</emphasis>
-are interpreted as citations, and lines between
-<emphasis>.R1</emphasis> and <emphasis>.R2</emphasis> are interpreted
-as commands for how citations are to be processed</para>
-<indexterm zone="ch-system-groff refer"><primary sortas="b-refer">refer</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="soelim">
-<term><command>soelim</command></term>
-<listitem>
-<para>Reads files and replaces lines of the form
-<emphasis>.so file</emphasis> by the contents of the mentioned
-<emphasis>file</emphasis></para>
-<indexterm zone="ch-system-groff soelim"><primary sortas="b-soelim">soelim</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="tbl">
-<term><command>tbl</command></term>
-<listitem>
-<para>Compiles descriptions of tables embedded
-within troff input files into commands that are understood by <command>troff</command></para>
-<indexterm zone="ch-system-groff tbl"><primary sortas="b-tbl">tbl</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="tfmtodit">
-<term><command>tfmtodit</command></term>
-<listitem>
-<para>Creates a font file for use with <command>groff -Tdvi</command></para>
-<indexterm zone="ch-system-groff tfmtodit"><primary sortas="b-tfmtodit">tfmtodit</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="troff">
-<term><command>troff</command></term>
-<listitem>
-<para>Is highly compatible with Unix <command>troff</command>; it
-should usually be invoked using the
-<command>groff</command> command, which will also run preprocessors and post-processors in the
-appropriate order and with the appropriate options</para>
-<indexterm zone="ch-system-groff troff"><primary sortas="b-troff">troff</primary></indexterm>
-</listitem>
-</varlistentry>
-
-<varlistentry id="zsoelim">
-<term><command>zsoelim</command></term>
-<listitem>
-<para>A link to <command>soelim</command></para>
-<indexterm zone="ch-system-groff zsoelim"><primary sortas="b-zsoelim">zsoelim</primary></indexterm>
-</listitem>
-</varlistentry>
-</variablelist>
-
-</sect2>
+  </sect2>
+
+  <sect2 id="contents-groff" role="content">
+  <title>Contents of Groff</title>
+
+    <segmentedlist>
+      <segtitle>Installed programs</segtitle>
+
+      <seglistitem>
+        <seg>addftinfo, afmtodit, eqn, eqn2graph, geqn (link to eqn), grn,
+        grodvi, groff, groffer, grog, grolbp, grolj4, grops, grotty, gtbl
+        (link to tbl), hpftodit, indxbib, lkbib, lookbib, mmroff, neqn,
+        nroff, pfbtops, pic, pic2graph, post-grohtml, pre-grohtml, refer,
+        soelim, tbl, tfmtodit, troff, and zsoelim (link to soelim)</seg>
+      </seglistitem>
+    </segmentedlist>
+
+    <variablelist>
+      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
+      <?dbfo list-presentation="list"?>
+      <?dbhtml list-presentation="table"?>
+
+      <varlistentry id="addftinfo">
+        <term><command>addftinfo</command></term>
+        <listitem>
+          <para>Reads a troff font file and adds some additional font-metric
+          information that is used by the <command>groff</command> system</para>
+          <indexterm zone="ch-system-groff addftinfo">
+            <primary sortas="b-addftinfo">addftinfo</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="afmtodit">
+        <term><command>afmtodit</command></term>
+        <listitem>
+          <para>Creates a font file for use with <command>groff</command> and
+          <command>grops</command></para>
+          <indexterm zone="ch-system-groff afmtodit">
+            <primary sortas="b-afmtodit">afmtodit</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="eqn">
+        <term><command>eqn</command></term>
+        <listitem>
+          <para>Compiles descriptions of equations embedded within troff
+          input files into commands that are understood by
+          <command>troff</command></para>
+          <indexterm zone="ch-system-groff eqn">
+            <primary sortas="b-eqn">eqn</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="eqn2graph">
+        <term><command>eqn2graph</command></term>
+        <listitem>
+          <para>Converts a troff EQN (equation) into a cropped image</para>
+          <indexterm zone="ch-system-groff eqn2graph">
+            <primary sortas="b-eqn2graph">eqn2graph</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="geqn">
+        <term><command>geqn</command></term>
+        <listitem>
+          <para>A link to <command>eqn</command></para>
+          <indexterm zone="ch-system-groff geqn">
+            <primary sortas="b-geqn">geqn</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="grn">
+        <term><command>grn</command></term>
+        <listitem>
+          <para>A <command>groff</command> preprocessor for gremlin files</para>
+          <indexterm zone="ch-system-groff grn">
+            <primary sortas="b-grn">grn</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="grodvi">
+        <term><command>grodvi</command></term>
+        <listitem>
+          <para>A driver for <command>groff</command> that produces TeX dvi
+          format</para>
+          <indexterm zone="ch-system-groff grodvi">
+            <primary sortas="b-grodvi">grodvi</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="groff">
+        <term><command>groff</command></term>
+        <listitem>
+          <para>A front-end to the groff document formatting system; normally, it
+          runs the <command>troff</command> program and a post-processor
+          appropriate for the selected device</para>
+          <indexterm zone="ch-system-groff groff">
+            <primary sortas="b-groff">groff</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="groffer">
+        <term><command>groffer</command></term>
+        <listitem>
+          <para>Displays groff files and man pages on X and tty terminals</para>
+          <indexterm zone="ch-system-groff groffer">
+            <primary sortas="b-groffer">groffer</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="grog">
+        <term><command>grog</command></term>
+        <listitem>
+          <para>Reads files and guesses which of the <command>groff</command>
+          options <option>-e</option>, <option>-man</option>, <option>-me</option>,
+          <option>-mm</option>, <option>-ms</option>, <option>-p</option>,
+          <option>-s</option>, and <option>-t</option> are required for printing
+          files, and reports the <command>groff</command> command including those
+          options</para>
+          <indexterm zone="ch-system-groff grog">
+            <primary sortas="b-grog">grog</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="grolbp">
+        <term><command>grolbp</command></term>
+        <listitem>
+          <para>Is a <command>groff</command> driver for Canon CAPSL printers
+          (LBP-4 and LBP-8 series laser printers)</para>
+          <indexterm zone="ch-system-groff grolbp">
+            <primary sortas="b-grolbp">grolbp</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="grolj4">
+        <term><command>grolj4</command></term>
+        <listitem>
+          <para>Is a driver for <command>groff</command> that produces output
+          in PCL5 format suitable for an HP LaserJet 4 printer</para>
+          <indexterm zone="ch-system-groff grolj4">
+            <primary sortas="b-grolj4">grolj4</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="grops">
+        <term><command>grops</command></term>
+        <listitem>
+          <para>Translates the output of GNU <command>troff</command> to
+          PostScript</para>
+          <indexterm zone="ch-system-groff grops">
+            <primary sortas="b-grops">grops</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="grotty">
+        <term><command>grotty</command></term>
+        <listitem>
+          <para>Translates the output of GNU <command>troff</command> into
+          a form suitable for typewriter-like devices</para>
+          <indexterm zone="ch-system-groff grotty">
+            <primary sortas="b-grotty">grotty</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="gtbl">
+        <term><command>gtbl</command></term>
+        <listitem>
+          <para>A link to <command>tbl</command></para>
+          <indexterm zone="ch-system-groff gtbl">
+            <primary sortas="b-gtbl">gtbl</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="hpftodit">
+        <term><command>hpftodit</command></term>
+        <listitem>
+          <para>Creates a font file for use with <command>groff -Tlj4</command>
+          from an HP-tagged font metric file</para>
+          <indexterm zone="ch-system-groff hpftodit">
+            <primary sortas="b-hpftodit">hpftodit</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="indxbib">
+        <term><command>indxbib</command></term>
+        <listitem>
+          <para>Creates an inverted index for the bibliographic databases with a
+          specified file for use with <command>refer</command>,
+          <command>lookbib</command>, and <command>lkbib</command></para>
+          <indexterm zone="ch-system-groff indxbib">
+            <primary sortas="b-indxbib">indxbib</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="lkbib">
+        <term><command>lkbib</command></term>
+        <listitem>
+          <para>Searches bibliographic databases for references that contain
+          specified keys and reports any references found</para>
+          <indexterm zone="ch-system-groff lkbib">
+            <primary sortas="b-lkbib">lkbib</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="lookbib">
+        <term><command>lookbib</command></term>
+        <listitem>
+          <para>Prints a prompt on the standard error (unless the standard input
+          is not a terminal), reads a line containing a set of keywords from the
+          standard input, searches the bibliographic databases in a specified file
+          for references containing those keywords, prints any references found
+          on the standard output, and repeats this process until the end of
+          input</para>
+          <indexterm zone="ch-system-groff lookbib">
+            <primary sortas="b-lookbib">lookbib</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="mmroff">
+        <term><command>mmroff</command></term>
+        <listitem>
+          <para>A simple preprocessor for <command>groff</command></para>
+          <indexterm zone="ch-system-groff mmroff">
+            <primary sortas="b-mmroff">mmroff</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="neqn">
+        <term><command>neqn</command></term>
+        <listitem>
+          <para>Formats equations for American Standard Code for Information
+          Interchange (ASCII) output</para>
+          <indexterm zone="ch-system-groff neqn">
+            <primary sortas="b-neqn">neqn</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="nroff">
+        <term><command>nroff</command></term>
+        <listitem>
+          <para>A script that emulates the <command>nroff</command> command
+          using <command>groff</command></para>
+          <indexterm zone="ch-system-groff nroff">
+            <primary sortas="b-nroff">nroff</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="pfbtops">
+        <term><command>pfbtops</command></term>
+        <listitem>
+          <para>Translates a PostScript font in <filename
+          class="extension">.pfb</filename> format to ASCII</para>
+          <indexterm zone="ch-system-groff pfbtops">
+            <primary sortas="b-pfbtops">pfbtops</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="pic">
+        <term><command>pic</command></term>
+        <listitem>
+          <para>Compiles descriptions of pictures embedded within troff or
+          TeX input files into commands understood by TeX or
+          <command>troff</command></para>
+          <indexterm zone="ch-system-groff pic">
+            <primary sortas="b-pic">pic</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="pic2graph">
+        <term><command>pic2graph</command></term>
+        <listitem>
+          <para>Converts a PIC diagram into a cropped image</para>
+          <indexterm zone="ch-system-groff pic2graph">
+            <primary sortas="b-pic2graph">pic2graph</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="post-grohtml">
+        <term><command>post-grohtml</command></term>
+        <listitem>
+          <para>Translates the output of GNU <command>troff</command> to
+          HTML</para>
+          <indexterm zone="ch-system-groff post-grohtml">
+            <primary sortas="b-post-grohtml">post-grohtml</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="pre-grohtml">
+        <term><command>pre-grohtml </command></term>
+        <listitem>
+          <para>Translates the output of GNU <command>troff</command> to
+          HTML</para>
+          <indexterm zone="ch-system-groff pre-grohtml">
+            <primary sortas="b-pre-grohtml">pre-grohtml</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="refer">
+        <term><command>refer</command></term>
+        <listitem>
+          <para>Copies the contents of a file to the standard output, except
+          that lines between <emphasis>.[</emphasis> and <emphasis>.]</emphasis>
+          are interpreted as citations, and lines between <emphasis>.R1</emphasis>
+          and <emphasis>.R2</emphasis> are interpreted as commands for how
+          citations are to be processed</para>
+          <indexterm zone="ch-system-groff refer">
+            <primary sortas="b-refer">refer</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="soelim">
+        <term><command>soelim</command></term>
+        <listitem>
+          <para>Reads files and replaces lines of the form <emphasis>.so
+          file</emphasis> by the contents of the mentioned
+          <emphasis>file</emphasis></para>
+          <indexterm zone="ch-system-groff soelim">
+            <primary sortas="b-soelim">soelim</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="tbl">
+        <term><command>tbl</command></term>
+        <listitem>
+          <para>Compiles descriptions of tables embedded within troff input
+          files into commands that are understood by
+          <command>troff</command></para>
+          <indexterm zone="ch-system-groff tbl">
+            <primary sortas="b-tbl">tbl</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="tfmtodit">
+        <term><command>tfmtodit</command></term>
+        <listitem>
+          <para>Creates a font file for use with <command>groff
+          -Tdvi</command></para>
+          <indexterm zone="ch-system-groff tfmtodit">
+            <primary sortas="b-tfmtodit">tfmtodit</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="troff">
+        <term><command>troff</command></term>
+        <listitem>
+          <para>Is highly compatible with Unix <command>troff</command>; it
+          should usually be invoked using the <command>groff</command> command,
+          which will also run preprocessors and post-processors in the
+          appropriate order and with the appropriate options</para>
+          <indexterm zone="ch-system-groff troff">
+            <primary sortas="b-troff">troff</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry id="zsoelim">
+        <term><command>zsoelim</command></term>
+        <listitem>
+          <para>A link to <command>soelim</command></para>
+          <indexterm zone="ch-system-groff zsoelim">
+            <primary sortas="b-zsoelim">zsoelim</primary>
+          </indexterm>
+        </listitem>
+      </varlistentry>
+
+    </variablelist>
+
+  </sect2>
 
 </sect1>
-