add: if ((typeof e.reason != "string") || !e.reason) e.reason = client.prefs["defaultQuitMsg"]; 
context: function cmdQuit(e){    if (!e.reason)        e.reason = client.userAgent;    client.quit(e.reason);    window.close();}
meta: 3298	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3298/3568e23de2452ac41d84f38a77c4b2fac58e3d76/commands.js/buggy/xul/content/commands.js