diff -r 000000000000 -r 4eba9c11703f web/Zend/Feed/Writer/Extension/Threading/Renderer/Entry.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Feed/Writer/Extension/Threading/Renderer/Entry.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,145 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Entry.php 22662 2010-07-24 17:37:36Z mabe $
+ */
+ 
+/**
+ * @see Zend_Feed_Writer_Extension_RendererAbstract
+ */
+require_once 'Zend/Feed/Writer/Extension/RendererAbstract.php';
+ 
+/**
+ * @category   Zend
+ * @package    Zend_Feed_Writer
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Feed_Writer_Extension_Threading_Renderer_Entry
+    extends Zend_Feed_Writer_Extension_RendererAbstract
+{
+
+    /**
+     * Set to TRUE if a rendering method actually renders something. This
+     * is used to prevent premature appending of a XML namespace declaration
+     * until an element which requires it is actually appended.
+     *
+     * @var bool
+     */
+    protected $_called = false;
+    
+    /**
+     * Render entry
+     * 
+     * @return void
+     */
+    public function render()
+    {
+        if (strtolower($this->getType()) == 'rss') {
+            return; // Atom 1.0 only
+        }
+        $this->_setCommentLink($this->_dom, $this->_base);
+        $this->_setCommentFeedLinks($this->_dom, $this->_base);
+        $this->_setCommentCount($this->_dom, $this->_base);
+        if ($this->_called) {
+            $this->_appendNamespaces();
+        }
+    }
+    
+    /**
+     * Append entry namespaces
+     * 
+     * @return void
+     */
+    protected function _appendNamespaces()
+    {
+        $this->getRootElement()->setAttribute('xmlns:thr',
+            'http://purl.org/syndication/thread/1.0');  
+    }
+    
+    /**
+     * Set comment link
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setCommentLink(DOMDocument $dom, DOMElement $root)
+    {
+        $link = $this->getDataContainer()->getCommentLink();
+        if (!$link) {
+            return;
+        }
+        $clink = $this->_dom->createElement('link');
+        $clink->setAttribute('rel', 'replies');
+        $clink->setAttribute('type', 'text/html');
+        $clink->setAttribute('href', $link);
+        $count = $this->getDataContainer()->getCommentCount();
+        if ($count !== null) {
+            $clink->setAttribute('thr:count', $count);
+        }
+        $root->appendChild($clink);
+        $this->_called = true;
+    }
+    
+    /**
+     * Set comment feed links
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setCommentFeedLinks(DOMDocument $dom, DOMElement $root)
+    {
+        $links = $this->getDataContainer()->getCommentFeedLinks();
+        if (!$links || empty($links)) {
+            return;
+        }
+        foreach ($links as $link) {
+            $flink = $this->_dom->createElement('link');
+            $flink->setAttribute('rel', 'replies');
+            $flink->setAttribute('type', 'application/'. $link['type'] .'+xml');
+            $flink->setAttribute('href', $link['uri']);
+            $count = $this->getDataContainer()->getCommentCount();
+            if ($count !== null) {
+                $flink->setAttribute('thr:count', $count);
+            }
+            $root->appendChild($flink);
+            $this->_called = true;
+        }
+    }
+
+    /**
+     * Set entry comment count
+     * 
+     * @param  DOMDocument $dom 
+     * @param  DOMElement $root 
+     * @return void
+     */
+    protected function _setCommentCount(DOMDocument $dom, DOMElement $root)
+    {
+        $count = $this->getDataContainer()->getCommentCount();
+        if ($count === null) {
+            return;
+        }
+        $tcount = $this->_dom->createElement('thr:total');
+        $tcount->nodeValue = $count;
+        $root->appendChild($tcount);
+        $this->_called = true;
+    }
+}