The initial problems are : were the two texts written by the same author or not ; and were they transmitted separately . Kimura Kiyotaka and Chôn Haeju accepted Kyun ' yô ' s conclusion , and all the Korean Buddhists after Kyun ' yô seem to have adopted as true the story told by Ch ' oe Ch ' iwôn . The anonymous author of the Pôpgyedogi ch ' ongsurok 法界 圖 記 總 髓 錄 of ca . 1254 or earlier divided his interpretation , using many no － longer extant sub － commentaries , into an interpretation of the “ seal text " and its introduction , and then a sub － commentary on the commentary attributed to Ûisang . He noted that