rem: if (prefList) 
add: if (prefList.search(/\S/) != -1) 
context: function loadList(list){    var gList = document.getElementById("czInitial" + list);        var prefList = gList.getAttribute("prefvalue");        if (prefList)    {        var items = prefList.split(/\s*;\s*/);        for (i in items)            listAddItem(list, items[i]);    }        listUpdateButtons(list);}
meta: 1622	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1622/3df45f52a2f3a304b5c3c14817a3c2c3cbfc6921/startup.js/buggy/xul/content/prefpanel/startup.js