add: torbutton_log(3, "Observer register"); 
context: register : function() { var observerService =   Components.classes["@mozilla.org/observer-service;1"].     getService(Components.interfaces.nsIObserverService); observerService.addObserver(this, "em-action-requested", false); observerService.addObserver(this, "quit-application-granted", false);},
meta: 3444	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3444/d7fa2ee3fa22d7de4aa431af5e6efb51d42b28f7/torbutton.js/clean/src/chrome/content/torbutton.js