Outline doesn't work for file Element.js from ExtJS

[ter]

Outline doesn't work (empty state) for file Element.js from ExtJS

Structure:

(function(){
var D = Ext.lib.Dom;
var E = Ext.lib.Event;
var A = Ext.lib.Anim;

.... skip code ...

Ext.Element = function(element, forceNew){
.... skip code ...
};

var El = Ext.Element;

El.prototype = {
.... skip code ...
};

var ep = El.prototype;

.... skip code ...

})();