[tz] draft of change summary for next tz release

[Lester Caine]

Guy Harris wrote:
>> Guy Harris wrote:
>>> >>The only historical information associated with them is the date when the old names were deprecated, which has nothing to do with the history of time zones.
>> >The date it was first used is important as well ... both of which are just pulled from the release history.
> What is "it", and what does "used" mean here?

What I mean is that the old names where in official use for a period of time and 
those names are used in material created during that time, so the period that 
they were valid for is important information. I would go as far as to say that 
the legacy material would have been written with reference to the historic 
returns from the TZ database but that is a separate problem, and the correct 
version of TZ can easily be accessed if required.

-- 
Lester Caine - G8HFL
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