[tz] draft of change summary for next tz release

[Derick Rethans]

On Wed, 18 Sep 2013, Stephen Colebourne wrote:

> Based on this I infer that the conversion from Zone to Link is not 
> temporary, but permanent. There will be no way to reinsert the data 
> into the main tzdb (it might be reinsertable into a 
> secondary/extended/pre-1970 file, but not the main data set as 
> currently designed).
> 
> As such and from my perspective, the changes under discussion result 
> in a permanently worse set of data for source code consumers like Java 
> and PHP which rely on accurate data for each ID (and don't care about 
> the Link vs Zone or zic compiled data size).
> 
> My strong preference is to retain this kind of data (reverting the 
> deletions) until there is some alternate means of representing it and 
> a long enough period for source code data consumers to adapt their 
> parsers (ie. at least 6 months).

I fully support this.

cheers,
Derick
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