Subj : a little too quiet
To   : mark lewis
From : Rob Swindell
Date : Wed Mar 31 2021 05:55 pm

 Re: a little too quiet
 By: mark lewis to Rob Swindell on Wed Mar 31 2021 06:05 am

>  RS> FidoNet is a legacy protocol that must (from what I've observed) be
>  RS> enhanced only in backwards-compatible means. So if you want to add,
>  RS> say, the full year of authorship to to messages in a backwards
>  RS> compatible way, a new control paragraph (kludge line) would be the
>  RS> way to go.
>
> or a new PKT format...

Yup, or that. But the easier/quicker solution to the one pet-problem of the OP would be to add a new kludge/control line:

@YEAR: 2021

Problem solved. Move on to more interesting things.