金光明經文句記 1.115

1.115

初、列二名。雖是異名，亦有長短。述齊序品，別盡初分。以有別序異於眾經，故名別名名金光明，故知此序是別名本。

First, listing the two names. Although they are different names, there is also a difference in length. The narrative extends through the 'Introductory Chapter'; the distinctive encompasses the entirety of the first division. Because it has a distinctive preface that differs from other sūtras, it is named 'distinctive'; the name is 'Suvarṇaprabhāsa', so we know this preface is the root of the distinctive title.