[tz] Version identification (was Re: Downstream use of 2021c)

[Tom Lane]

Paul Eggert via tz <tz at iana.org> writes:
>> On 10/7/21 13:41, Arthur David Olson via tz wrote:
>>> One odd possibility on standardizing access to version information: a 
>>> zic'd line such as...
>>>     Zone Version 0 - 2021c

>> Clever! I hadn't thought of that. This could supplant the "# version" 
>> line in tzdata.zi,

BTW, I'd still advocate for keeping the "# version" comment.  It seems
likely that people have already built software or processes that rely
on that, and it's not like removing it would save anything noticeable.

			regards, tom lane