維摩經略疏垂裕記 6.102

6.102

二、「旃延」下，結能通得旨。荊溪云：若不善通三藏等者，意明有無，但是述其所入之門，傍學能於四門通贍，故使傳於南天竺國。

Second, from "Kātyāyana" onward, concluding that he could communicate and grasped the purport. Jingxi says: "Regarding 'if one cannot skillfully communicate the Tripiṭaka' and so forth: the intention clarifies that existence and non-existence merely expound the gate through which one entered; broadly learning, one can achieve mastery across the four gates, which caused it to be transmitted in South India."