In that case honestly I don't think there is much difference between one and the other. It comes down to personal/team preference. Remember these are just guidelines/best practices followed by a specific team.
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#2 is surprising because leading zeros enhance readability. What is the reasoning behind no leading zero?
In that case honestly I don't think there is much difference between one and the other. It comes down to personal/team preference. Remember these are just guidelines/best practices followed by a specific team.