rem: else torbutton_log(2, "No DOM yet at location event"); 
context: function torbutton_check_progress(aProgress) {    // This fires when the location bar changes i.e load event is confirmed    // or when the user switches tabs    if(aProgress) {        torbutton_log(1, "location progress");        var doc = aProgress.DOMWindow.document;        try {            if(doc && doc.domain)                torbutton_hookdoc(aProgress.DOMWindow.window, doc);            else torbutton_log(2, "No DOM yet at location event");        } catch(e) {            torbutton_log(3, "Hit about:plugins? "+doc.location);        }            } else {        torbutton_log(3, "No aProgress for location!");    }    return 0;}
meta: 3444	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3444/a369260c837bef2361876214f046c709f8c15311/torbutton.js/buggy/src/chrome/content/torbutton.js