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[xslt] problem with special carater in CDATA (part 2)

I have a problem with special carater in CDATA
for exemple
<![CDATA[<]]><![CDATA[br />]]> in xslt

become
&lt;br /&gt;

or i want <br />

in old version of redhat i haven't this problem

Daniel tell :

>
>  There was a bug in the old version apparently and it has been fixed
> since it's a correct behaviour.
>  If you want XHTML1 special formating, make sure your xsl:output ask
> for xml output and to add the XHTML1 DOCTYPE system and public ID. I
> let you check section 16 of the XHTML1 spec and the XHTML1 spec for the
> correct system and public IDs.

so, i'have change my xslt, but the problem is still here
if you can help me.
thanks

the same examples:
 - with xmlproc
- in perl

>  
>
#---------------------------------------------------------------------------------------------
xsltproc t.xsl t.xml

#-----------------------------------------------
# t.xsl
#----------------------------------------------

<?xml version="1.0"?>

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; version="1.0">

<xsl:output method="xml" 
doctype-public="-//W3C//DTD XHTML 1.0 Strict//EN" 
doctype-system="http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";
 />

<xsl:template match="xml">
<html>
<xsl:call-template name="XeditHidden" />
</html>
</xsl:template>

<xsl:template name="XeditHidden">
<![CDATA[<]]><![CDATA[br />]]>
</xsl:template>

</xsl:stylesheet>




#----------------------------------
# t.xml
#----------------------------------
<?xml version="1.0"?>
<xml>
<p chemin="/html_2" position="2"></p>
</xml>

#---------------------------------
# return
#---------------------------------

<?xml version="1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";>
<html>&lt;br /&gt;</html>

#---------------------------------------------------------------------------------------------
# perl exemple
#---------------------------------------------------------------------------------------------
#!/usr/bin/perl

# used version
# redhat 8
# libxml2-2.5.3-1.i386.rpm
# zlib-devel-1.1.4-4.i386.rpm
# libxml2-devel-2.5.3-1.i386.rpm
# libxslt-1.0.26-1.i386.rpm
# libxslt-devel-1.0.26-1.i386.rpm
# perl 5.8
# XML-LibXSLT-1.52
# XML-LibXML-1.53

# problem whith CDATA section
# <![CDATA[<]]><![CDATA[br />]]> in xslt
# become
# &lt;br /&gt;
# in the output


use XML::LibXSLT;
use XML::LibXML;

my $parser = XML::LibXML->new();
my $xslt = XML::LibXSLT->new();

my $xmlsource=<<EOF;
<?xml version="1.0"?>
<xml>
<html chemin="/html_2" position="2"></html>
</xml>
EOF
;

my $xslsource =<<EOF2;
<?xml version="1.0"?>

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; 
version="1.0">

<xsl:output method="xml" doctype-public="-//W3C//DTD XHTML 1.0 
Strict//EN" 
doctype-system="http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";
/>

<xsl:template match="xml">
<html>
<xsl:call-template name="XeditHidden" />
</html>
</xsl:template>

<xsl:template name="XeditHidden">
<![CDATA[<]]><![CDATA[br />]]>
</xsl:template>

</xsl:stylesheet>
EOF2
;

#------------------------------------------------------------
# transformation xml

 my $objXml = $parser->parse_string($xmlsource);
 my $style = $parser->parse_string($xslsource);
 my $stylesheet = $xslt->parse_stylesheet($style);
 my $results = $stylesheet->transform($objXml);
 my $xmlresult = $stylesheet->output_string($results);

 print $xmlresult;
#------------------------------------------------------------

1;

__END__

result:
<?xml version="1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";>
<html>&lt;br /&gt;</html>
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