Hello
Just conducted some cosmetic changesand rebased my patch, using v14 patch-set in [1].
[1] - https://www.postgresql.org/message-id/CAD21AoCO_ZYWZEBw7ziiYoX7Zm1P0L9%3Dd7Jj9YsGEGsT9o6wmw%40mail.gmail.com
Best Regards, Takamichi Osumi