Index: /CKEditor/trunk/_source/plugins/domiterator/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/domiterator/plugin.js	(revision 3436)
+++ /CKEditor/trunk/_source/plugins/domiterator/plugin.js	(revision 3437)
@@ -324,5 +324,9 @@
 				var lastChild = block.getLast();
 				if ( lastChild && lastChild.type == CKEDITOR.NODE_ELEMENT && lastChild.getName() == 'br' )
-					lastChild.remove();
+				{
+					// Take care not to remove the block expanding <br> in non-IE browsers.
+					if ( CKEDITOR.env.ie || lastChild.getPrevious() || lastChild.getNext() )
+						lastChild.remove();
+				}
 			}