tree 4d57384aed7d70f3f350b5676c1a4777fc14cf08
parent 1467459cdda9ae9110634a9e26ffc31a2fe0c12e
author Kazuho Oku <kazuhooku@gmail.com> 1616286540 +0900
committer Kazuho Oku <kazuhooku@gmail.com> 1616286552 +0900

clarify the behavior