add: return true; 
context: function removeEvent(obj, evType, fn) {    if (obj.removeEventListener) {        obj.removeEventListener(evType, fn, false);        return true;    } else if (obj.detachEvent) {        obj.detachEvent("on" + evType, fn);    } else {        return false;    }}
meta: 5320	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5320/83c6fff22acfe3a7994105b798403f6a16208cfc/core.js/buggy/django/contrib/admin/media/js/core.js