How to keep DOCTYPE declaration in output

Is there anyway to keep the DOCTYPE declaration of the input document in 
the output?

Curently, I'm trying:

<xsl:tempalte match="/">
  <xsl:text><![CDATA[<!DOCTYPE chapter SYSTEM 
"c:/docbook/4.2/docbookx.dtd" [
  <!ENTITY % global_entities SYSTEM "c:/mydoc/myents.ent">
  %global_entities;]]>
  </xsl:text>
  <xsl:apply-templates/>
</xsl:tempalte>

But the result looks like:

<?xml version="1.0" encoding="UTF-8"?>
&lt;!DOCTYPE chapter SYSTEM &quot;c:/docbook/4.2/docbookx.dtd&quot; [
 &lt;!ENTITY % global_entities SYSTEM &quot;c:/mydoc/myents.ent&quot;&gt;
  %global_entities;
    <chapter>....

Is there anyway to copy the DOCTYPE declaration from the source document?
If not, how can I escape the special characters in the <xsl:text> block 
above?

Thansk.

Taro

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