About the title written in the title piece of 'Hokekyo Gisho,' however, he states that it was added by someone at a later time, because the style of handwriting and the techniques of calligraphy of the title differ from those of the text.
ただし、「法華経義疏」の題箋の撰号については書体と筆法が本文と異なるとして後人の補記であるとする。