Hi.
I think we may have simply forgotten to do $subject in the following commit.
commit da6f3e45ddb68ab3161076e120e7c32cfd46d1db
Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
Date: Sat Apr 14 21:12:14 2018 -0300
Reorganize partitioning code
Attached a patch.
Thanks,
Amit