Wikipedia:WikiProject User scripts/Scripts/External editor

addOnloadHook(function() {

var editTab = document.getElementById("ca-edit");

if (!editTab) return;

var editURL = editTab.getElementsByTagName("a")[0].href;

addPortletLink("p-cactions", editURL + "&externaledit=true", "EE", "ca-exted", "External editor", "");

});