Ticket #3820: 3820.patch

_source/plugins/list/plugin.js

@@ -491 +491 @@
                                              sibling.getName() == listCommand.type )
                                         {
                                                 sibling.remove();
-                                                sibling.moveChildren( listNode );
+                                                // Move children order by merge direction.(#3820)  
+                                                sibling.moveChildren( listNode, rtl ? true : false );
                                         }
                                 } )();
                                 mergeSibling( true );