On Mon 2021-06-07 13:07:12 +0100, David Edmondson wrote:
> Could this not be something like:
>
> (when (or email userid)
>   (setq label (concat "Good signature by: " (or email userid)))
>   ...
>   )
>
> ?

Sounds reasonable to me.  If you want to offer a revised patch for this,
i'd definitely defer to your expertise on idiomatic and concise elisp.

    --dkg