The manual (current git) says: True if the time of the last access (or status change or data modification) > of the current file is more recent than that of the last data modification > of the @var{reference} file. >
Presumably it really means: True if the time of the last access (or status change or data modification) of the current file is more recent than that of the @var{reference} file. In other words, like is compared with like, it's not always the mtime of the reference file that is used. -- https://rrt.sc3d.org