</sect2>

<sect2>

<title>FreeBSDInstallation</title>

<title>Installation on FreeBSD</title>

<para>

The FreeBSD Documentation Project is itself a heavy user of

documentation on FreeBSD.

<itemizedlist>

<listitem>

<para><filename>textproc/sp</filename></para>

<para><filename>textproc/docbook-sgml</filename></para>

</listitem>

<listitem>

<para><filename>textproc/openjade</filename></para>

<para><filename>textproc/docbook-xml</filename></para>

</listitem>

<listitem>

<para><filename>textproc/iso8879</filename></para>

<para><filename>textproc/docbook-xsl</filename></para>

</listitem>

<listitem>

<para><filename>textproc/dsssl-docbook-modular</filename></para>

</listitem>

<listitem>

<para><filename>textproc/docbook-420</filename></para>

<para><filename>textproc/libxslt</filename></para>

</listitem>

<listitem>

<para><filename>textproc/openjade</filename></para>

</listitem>

</itemizedlist>

</para>

also be of interest.

</para>

<para>

It's possible that the ports do not update the main catalog file

in <filename>/usr/local/share/sgml/catalog.ports</filename> or that the

order isn't proper. Be sure to have the following lines in the beginning

of the file:

<programlisting>

CATALOG "openjade/catalog"

CATALOG "iso8879/catalog"

CATALOG "docbook/dsssl/modular/catalog"

CATALOG "docbook/4.2/catalog"

</programlisting>

If you do not want to edit the file you can also set the

environment variable <envar>SGML_CATALOG_FILES</envar> to a

colon-separated list of catalog files (such as the one above).

</para>

<para>

More information about the FreeBSD documentation tools can be

found in the <ulink url="http://www.freebsd.org/doc/en_US.ISO8859-1/books/fdp-primer/tools.html">