Novice - Problem with data encoding

Hi,
I have an XML doc that I generated using XML::LibXML that needs to be
included as a hidden form field in a form post.

Code snippet:

sub getcXML   {
use XML::LibXML;
my $resp_doc = XML::LibXML::Document->new();
my $root = $resp_doc->createElement('blah');
...
my $content = $resp_doc->toString;
return $content
}

The html is:
<form name="sndxml" method = "post" action =
http://someserver.com/process_xml>
    <input type = "hidden" name = "xml_here" value = "[+ getcXML(); +]">
    <input type = "submit" value = "Order">
</form>



The problem is that the browser is encoding the XML doc.

ie.
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE gtfd SYSTEM "http://gftd/schemas/data.dtd";>

turns into:
&lt;?xml version="1.0" encoding="UTF-8"?&gt;
&lt;DOCTYPE gtfd SYSTEM &quot;http://gftd/schemas/data.dtd&quot;&gt;

which blows up in the parsing.  If I edit the result and swap back the < >
and " it works.
How can I prevent the encoding of the XML data?


Anyone point me in the right direction?

Thanks,
Chris