Incorrect version Description in defguide5

["Dongsheng Song" <dongsheng.song@gmail.com>]

In ch00.xml, maybe we should  use docbook 5.0 instead of docbook 4 ?

https://docbook.svn.sourceforge.net/svnroot/docbook/trunk/defguide5/en/src/ch00.xml

<para condition="refpages"><citetitle>Part II: Reference</citetitle>
<phrase condition="online">
is a complete reference to every element and parameter entity in
the DocBook V4.1.2 <acronym>DTD</acronym>.
</phrase>
<phrase condition="print">
is a complete reference to every element in the DocBook
V4.1.2 <acronym>DTD</acronym> and provides a concise summary of the
parameter entities. For a detailed reference to the parameter
entities, consult the online version available either on
<xref linkend="app-cdrom"/> or the
<link xmlns:xlink="http://www.w3.org/1999/xlink";
xlink:href="http://docbook.org/";>web site</link>.
</phrase>
</para>

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Dongsheng Song