Backup source of MacBook/Keyboard (No. 1)

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• View the diff.
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• View the backup.
• Go to MacBook/Keyboard.
  • 1 (2019-12-03 (Tue) 18:10:59)
  • 2 (2020-01-28 (Tue) 15:25:33)
  • 3 (2021-03-24 (Wed) 01:04:58)

- アップルの「MacBook」キーボード不具合めぐり、再び集団訴訟
--  https://japan.cnet.com/article/35119688/

- MacBookのバタフライ構造キーボードは近年のApple史上最も大きな過ちになるのか？
--  https://applech2.com/archives/20190503-apple-butterfly-keybaord-biggest-mistake.html