Within the same year, Sengaku produced and made a clean copy of the first annotated textbook, going so far as to adding Shinten (new guiding 'punctuation' marks for rendering Chinese into Japanese) to 152 poems that had been unreadable without the markings.
同年のうちに初度の校本を作成・浄書し、さらに古来無点が不明とされた152首に新点を加えた。