Re: sorting uniquely by message-id

[kat]

Dear Michael,

You may take inspiration from my dupl.
https://krabben.twilightparadox.com/fossil/nmh-contrib/artifact/ff6fb524b2bedb96

It doesn't work for you as-is, as it doesn't choose the right copy.

Also, you should add "-width 0" to the scan.

I avail myself of this opportunity to renew to you the assurances
of my highest consideration.

Krullen Van De Trap