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<appendix id="docguide">

<title>Documentation</title>

<listitem>

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

</listitem>

<listitem>

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

</listitem>

</itemizedlist>

Apparently, there is no port for the DocBook V4.2 SGML DTD

available right now. You will need to install it manually.

</para>

<para>

<para>

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

in <filename>/usr/local/share/sgml/catalog</filename>. Be sure to

have the followingline inthere:

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

isn't proper . Be sure tohave the followinglines inbegining of file:

<programlisting>

CATALOG "/usr/local/share/sgml/docbook/4.2/docbook.cat"

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