rem: var start = item.startDate || item.entryDate; 
add: var start = item.startDate || item.dueDate; if (!start) return null; 
context: function findPeriodForItem(item){    var start = item.startDate || item.entryDate;    if (start.compare(this.today.end) <= 0)        return this.today;            if (start.compare(this.tomorrow.end) <= 0)        return this.tomorrow;        if (start.compare(this.soon.end) <= 0)        return this.soon;        void(item.title + " @ " + start + " not in range " +         "(" + this.today.start + " - " + this.soon.end + ")\n");    return null;};
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/4f00c557dca805987089097023625716754c766c/agenda-tree.js/buggy/calendar/lightning/content/agenda-tree.js