The text, which has as many as seven pages out of order due to an error in binding, and had been considered difficult to understand since the old days, was revised and edited by Nobutsuna SASAKI and Kosuke TAMAI in 1924.
7か所に及ぶ錯簡を抱えて古来難解とされて来た本文も、大正13年（1924年）、佐佐木信綱・玉井幸助によって訂正・整理された。