How can I get the Open XML DOM parser to parse an ntEntityRef node?

I have this XML input:

<?xml version="1.0" encoding="utf-8"?>
<string>
&lt;N/A&gt;
</string>

Here is a short code sample to illustrate the problem:

uses
  xmldom, oxmldom, XMLDoc, XMLIntf;

procedure TForm1.Test;
var
  Document     : IXMLDocument;
  StringNode   : IXMLNode;
  LessThanNode : IXMLNode;
begin
  DefaultDOMVendor := 'Open XML';
  Document         := LoadXMLData(Memo1.Lines.Text);
  StringNode       := Document.DocumentElement;
  LessThanNode     := StringNode.ChildNodes.First;
  ShowMessage(LessThanNode.Text); // Displays '' (an emtpy string)
  ShowMessage(LessThanNode.XML);  // Displays '&lt;'
  ShowMessage(StringNode.Text);   // Causes an EXMLDocError, because the string node contains more than just a single node with NodeType = ntText
end;

How can I get the Open XML parser to transform the <, &gt and similar XML entities to their real text (like < and >)?

I could write a workaround for the predefined entities in the XML specification: http://www.w3.org/TR/2008/REC-xml-20081126/#sec-predefined-ent

That won't help with additional entity nodes though ...

Solution

Newer versions of Delphi don't ship the oxmldom unit anymore and newer versions of the so called ADOM are available:

http://www.philo.de/xml/downloads.shtml

So either using a different parser or upgrading OpenXML solves the problem.