$.when($.ready,mw.loader.using('mediawiki.util')).then(function(){
vareditTab=document.getElementById("ca-edit");
if(!editTab)return;
vareditURL=editTab.getElementsByTagName("a")[0].href;
mw.util.addPortletLink("p-cactions",editURL+"&externaledit=true","EE","ca-exted","External editor","");
});