金光明經文句記 4.23

4.23

Second, from 'this sūtra' onward states that according to the textual class four are required, while judging the doctrinal classification it belongs to the Shared. The three vehicles repent together; the earlier part subsumes the Tripiṭaka, and the later part connects to the Distinct and Complete. As for the emptiness that guides and accomplishes them, all four kinds are treated together; therefore, the wisdom of the four emptinesses must be clarified.