Ticket #3422: 3422.patch

_source/plugins/domiterator/plugin.js

@@ -323 +323 @@
                         {
                                 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();
+                                }
                         }
 
                         // Get a reference for the next element. This is important because the