--- mime.php	2005-07-13 22:49:04.000000000 +0200
+++ mime.php	2006-03-07 12:22:41.000000000 +0100
@@ -309,7 +309,7 @@
      * @return object  The text mimePart object
      * @access private
      */
-    function &_addTextPart(&$obj, $text)
+    function _addTextPart(&$obj, $text)
     {
         $params['content_type'] = 'text/plain';
         $params['encoding']     = $this->_build_params['text_encoding'];
@@ -330,7 +330,7 @@
      * @return object  The html mimePart object
      * @access private
      */
-    function &_addHtmlPart(&$obj)
+    function _addHtmlPart(&$obj)
     {
         $params['content_type'] = 'text/html';
         $params['encoding']     = $this->_build_params['html_encoding'];
@@ -350,7 +350,7 @@
      * @return object  The multipart/mixed mimePart object
      * @access private
      */
-    function &_addMixedPart()
+    function _addMixedPart()
     {
         $params['content_type'] = 'multipart/mixed';
         return new Mail_mimePart('', $params);
@@ -366,7 +366,7 @@
      * @return object  The multipart/mixed mimePart object
      * @access private
      */
-    function &_addAlternativePart(&$obj)
+    function _addAlternativePart(&$obj)
     {
         $params['content_type'] = 'multipart/alternative';
         if (is_object($obj)) {
@@ -386,7 +386,7 @@
      * @return object  The multipart/mixed mimePart object
      * @access private
      */
-    function &_addRelatedPart(&$obj)
+    function _addRelatedPart(&$obj)
     {
         $params['content_type'] = 'multipart/related';
         if (is_object($obj)) {
@@ -405,7 +405,7 @@
      * @return object  The image mimePart object
      * @access private
      */
-    function &_addHtmlImagePart(&$obj, $value)
+    function _addHtmlImagePart(&$obj, $value)
     {
         $params['content_type'] = $value['c_type'];
         $params['encoding']     = 'base64';
@@ -424,7 +424,7 @@
      * @return object  The image mimePart object
      * @access private
      */
-    function &_addAttachmentPart(&$obj, $value)
+    function _addAttachmentPart(&$obj, $value)
     {
         $params['content_type'] = $value['c_type'];
         $params['encoding']     = $value['encoding'];
--- mimePart.php	2004-12-11 00:08:26.000000000 +0100
+++ mimePart.php	2006-03-07 12:22:41.000000000 +0100
@@ -261,7 +261,7 @@
      *         otherwise you will not be able to add further subparts.
      * @access public
      */
-    function &addSubPart($body, $params)
+    function addSubPart($body, $params)
     {
         $this->_subparts[] = new Mail_mimePart($body, $params);
         return $this->_subparts[count($this->_subparts) - 1];