Matches https://github.com/ilyagr/pijul-clone as of now, might become out of sync

Fixing an index-out-of-bounds error when serialising bad changes

Created by  pmeunier  on January 4, 2021
CIEUBH465IFZXO3YDG7XYHP54NJ4TGVQD47SKNW6P5XM4X7IVNBAC
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