def get_history_item(self, index):
        u'''Return the current contents of history item at index (starts with index 1).'''
        item = self.history[index - 1]
        log(u"get_history_item: index:%d item:%r"%(index, item))
        return item.get_line_text()
u'''Return the current contents of history item at index (starts with index 1).