The second, the author take punctuating the books seriously, because punctuating is one of the important businesses for sorting out and selecting the ancient books.

• 其次，对论文的校注部分，力求做到校勘求精，注释求准。用新式标点符号标点古籍，是古籍整理工作的要务之一，论文对此也尤为重视。