Index: /FCKeditor/trunk/_whatsnew.html
===================================================================
--- /FCKeditor/trunk/_whatsnew.html	(revision 1568)
+++ /FCKeditor/trunk/_whatsnew.html	(revision 1569)
@@ -112,4 +112,6 @@
 			the selection box dialog will no longer extend beyond the dialog limits when the user inputs a very
 			long text or value for one of the selection options.</li>
+		<li>[<a target="_blank" href="http://dev.fckeditor.net/ticket/479">#479</a>] Fixed the issue where pressing
+			Enter in an &lt;o:p&gt; tag in IE does not generate line breaks.</li>
 	</ul>
 	<p>
Index: /FCKeditor/trunk/editor/_source/classes/fckelementpath.js
===================================================================
--- /FCKeditor/trunk/editor/_source/classes/fckelementpath.js	(revision 1568)
+++ /FCKeditor/trunk/editor/_source/classes/fckelementpath.js	(revision 1569)
@@ -39,4 +39,6 @@
 
 			var sElementName = e.nodeName.toLowerCase() ;
+			if ( FCKBrowserInfo.IsIE && e.scopeName != 'HTML' )
+				sElementName = e.scopeName.toLowerCase() + ':' + sElementName ;
 
 			if ( !eBlockLimit )