《太平广记·卷三百三十六·鬼二十》
乾元年中有个叫郑望的人，自东都入京，晚上在野狐泉店投宿。未到五、六里路天就黑了。
乾元中，有郑望者，自都入京，夜投野狐泉店宿，未至五六里而昏黑。
In the middle of the first year of Qianyuan, there was a man named Zheng Wang, who traveled from the Eastern Capital to Beijing. He stayed at Yehuquan Inn in the evening. It was dark before he covered five or six miles of road.