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<sect2>
<title>Contents</title>
<para>The Groff packages contains the addftinfo, afmtodit, eqn, grodvi, groff,
grog, grohtml, grolj4, grops, grotty, hpftodit, indxbib, lkbib, lookbib,
neqn, nroff, pfbtops, pic, psbb, refer, soelim, tbl, tfmtodit and troff
programs.</para>
</sect2>
<sect2><title>Description</title>
<sect3><title>addftinfo</title>
<para>addftinfo reads a troff font file and adds some additional font-metric
information that is used by the groff system.</para></sect3>
<sect3><title>afmtodit</title>
<para>afmtodit creates a font file for use with groff and grops.</para></sect3>
<sect3><title>eqn</title>
<para>eqn compiles descriptions of equations embedded within troff input files
into commands that are understood by troff.</para></sect3>
<sect3><title>grodvi</title>
<para>grodvi is a driver for groff that produces TeX dvi format.</para></sect3>
<sect3><title>groff</title>
<para>groff is a front-end to the groff document formatting system. Normally it
runs the troff program and a post-processor appropriate for the selected
device.</para></sect3>
<sect3><title>grog</title>
<para>grog reads files and guesses which of the groff options -e, -man, -me,
-mm, -ms, -p, -s, and -t are required for printing files, and prints the groff
command including those options on the standard output.</para></sect3>
<sect3><title>grohtml</title>
<para>grohtml translates the output of GNU troff to html</para></sect3>
<sect3><title>grolj4</title>
<para>grolj4 is a driver for groff that produces output in PCL5 format suitable
for an HP Laserjet 4 printer.</para></sect3>
<sect3><title>grops</title>
<para>grops translates the output of GNU troff to Postscript.</para></sect3>
<sect3><title>grotty</title>
<para>grotty translates the output of GNU troff into a form suitable for
typewriter-like devices.</para></sect3>
<sect3><title>hpftodit</title>
<para>hpftodit creates a font file for use with groff -Tlj4 from an HP
tagged font metric file.</para></sect3>
<sect3><title>indxbib</title>
<para>indxbib makes an inverted index for the bibliographic databases a
specified file for use with refer, lookbib, and lkbib.</para></sect3>
<sect3><title>lkbib</title>
<para>lkbib searches bibliographic databases for references that contain
specified keys and prints any references found on the
standard output.</para></sect3>
<sect3><title>lookbib</title>
<para>lookbib prints a prompt on the standard error (unless the standard input
is not a terminal), reads from the standard input a line containing a set
of keywords, 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></sect3>
<sect3><title>neqn</title>
<para>The neqn script formats equations for ascii output.</para></sect3>
<sect3><title>nroff</title>
<para>The nroff script emulates the nroff command using groff.</para></sect3>
<sect3><title>pfbtops</title>
<para>pfbtops translates a Postscript font in .pfb format
to ASCII.</para></sect3>
<sect3><title>pic</title>
<para>pic compiles descriptions of pictures embedded within troff or TeX input
files into commands that are understood by TeX or troff.</para></sect3>
<sect3><title>psbb</title>
<para>psbb reads a file which should be a Postscript document conforming to the
Document Structuring conventions and looks for a
%%BoundingBox comment.</para></sect3>
<sect3><title>refer</title>
<para>refer copies the contents of a file to the standard output, except that
lines between .[ and .] are interpreted as citations, and lines between .R1
and .R2 are interpreted as commands about how citations are to be
processed.</para></sect3>
<sect3><title>soelim</title>
<para>soelim reads files and replaces lines of the form
<emphasis>.so file</emphasis> by the contents of
<emphasis>file</emphasis>.</para></sect3>
<sect3><title>tbl</title>
<para>tbl compiles descriptions of tables embedded within troff input files
into commands that are understood by troff.</para></sect3>
<sect3><title>tfmtodit</title>
<para>tfmtodit creates a font file for use with <userinput>groff
-Tdvi</userinput></para></sect3>
<sect3><title>troff</title>
<para>troff is highly compatible with Unix troff. Usually it should be invoked
using the groff command, which will also run preprocessors and
post-processors in the appropriate order and with the appropriate
options.</para></sect3>
</sect2>
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