清朝张之洞对古籍善本的解释有三,一是足本,没有删节和缺卷;二是精本,精校精注,错误极少;三是旧本,即传世很久的木刻本、传抄本和线装书。当代学者对 Zhang Zhidong of the Qing Dynasty, there are three explanations of the rare books of ancient books, one is the script, there is no abridgement and lack of volume; the second is fine, fine school attention, the error is minimal; third is the old, that is handed down woodcut, And wire-bound book. Contemporary scholars