《新五代史·列传·杂传第四十二》
同光三年秋，天下大水成灾，京师缺粮尤其严重，唐庄宗用朱笔御札下诏让百官上书奏事。
同光三年秋，天下大水，京师乏食尤甚，庄宗以硃书御札诏百僚上封事。
In the autumn of the third year of Tongguang, there was a large flood across the country, the capital suffered a severe shortage of food, Tang Zhuangzong used crimson brush to write an imperial edict, asking the officials to report to the emperor.