Index: head/en_US.ISO8859-1/books/fdp-primer/tools/chapter.xml
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--- head/en_US.ISO8859-1/books/fdp-primer/tools/chapter.xml	(revision 48917)
+++ head/en_US.ISO8859-1/books/fdp-primer/tools/chapter.xml	(revision 48918)
@@ -1,141 +1,141 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
 <!-- Copyright (c) 1998, 1999 Nik Clayton, All rights reserved.
 
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 <chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0" xml:id="tools">
   <title>Tools</title>
 
   <para>Several software tools are used to manage the FreeBSD
     documentation and render it to different output formats.  Some of
     these tools are required and must be installed before working
     through the examples in the following chapters.  Some are
     optional, adding capabilities or making the job of creating
     documentation less demanding.</para>
 
   <sect1 xml:id="tools-required">
     <title>Required Tools</title>
 
     <para>Install
       <package>textproc/docproj</package> from the
       Ports Collection.  This <emphasis>meta-port</emphasis> installs
       all the applications required to do useful work with the &os;
       documentation.  Some further notes on particular components are
       given below.</para>
 
     <sect2>
       <title><acronym>DTD</acronym>s and
 	<acronym>Entities</acronym></title>
 
       <para>&os; documentation uses several Document Type Definitions
 	(<acronym>DTD</acronym>s) and sets of <acronym>XML</acronym>
 	entities.  These are all installed by the
 	<package>textproc/docproj</package>
 	port.</para>
 
       <variablelist>
 	<varlistentry>
 	  <term><acronym>XHTML</acronym> <acronym>DTD</acronym>
 	    (<package>textproc/xhtml</package>)</term>
 
 	  <listitem>
 	    <para><acronym>XHTML</acronym> is the markup language of
 	      choice for the World Wide Web, and is used throughout
 	      the &os; web site.</para>
 	  </listitem>
 	</varlistentry>
 
 	<varlistentry>
-	  <term>DocBook <acronym>DTD</acronym> (<package>textproc/docbook-xml-450</package>)</term>
+	  <term>DocBook <acronym>DTD</acronym> (<package>textproc/docbook-xml</package>)</term>
 
 	  <listitem>
 	    <para>DocBook is designed for marking up technical
 	      documentation.  Most of the &os; documentation is
 	      written in DocBook.</para>
 	  </listitem>
 	</varlistentry>
 
 	<varlistentry>
 	  <term>ISO 8879 entities
 	    (<package>textproc/iso8879</package>)</term>
 
 	  <listitem>
 	    <para>Character entities from the ISO 8879:1986 standard
 	      used by many <acronym>DTD</acronym>s.  Includes named
 	      mathematical symbols, additional characters in the Latin
 	      character set (accents, diacriticals, and so on), and
 	      Greek symbols.</para>
 	  </listitem>
 	</varlistentry>
       </variablelist>
     </sect2>
   </sect1>
 
   <sect1 xml:id="tools-optional">
     <title>Optional Tools</title>
 
     <para>These applications are not required, but can make working on
       the documentation easier or add capabilities.</para>
 
     <sect2>
       <title>Software</title>
 
       <variablelist>
 
 	<varlistentry>
 	  <term><application>Vim</application>
 	  (<package>editors/vim</package>)</term>
 
 	  <listitem>
 	    <para>A popular editor for working with
 	      <acronym>XML</acronym> and derived documents, like
 	      DocBook <acronym>XML</acronym>.</para>
 	  </listitem>
 	</varlistentry>
 
 	<varlistentry>
 	  <term><application>Emacs</application> or
 	    <application>XEmacs</application>
 	    (<package>editors/emacs</package> or
 	    <package>editors/xemacs</package>)</term>
 
 	  <listitem>
 	    <para>Both of these editors include a special mode for
 	      editing documents marked up according to an
 	      <acronym>XML</acronym> <acronym>DTD</acronym>.  This
 	      mode includes commands to reduce the amount of typing
 	      needed, and help reduce the possibility of
 	      errors.</para>
 	  </listitem>
 	</varlistentry>
       </variablelist>
     </sect2>
   </sect1>
 </chapter>