[tz] leap-seconds.list format

[Paul Eggert]

On 2024-02-10 16:22, brian.inglis--- via tz wrote:

> all we can do for now with the 
> current distribution: using https:// as you suggested, sha1 check, and 
> eyeball diff (-b) in case of site hacks.

I guess I'm not following your point because that's clearly not all a 
user can do. A user can also check the signatures, which are made via a 
public key certificate. I know a few users do that, because I got email 
a while back when my public key expired and was renewed.