[tz] need testing for new tzdb release for Brazil changes

[Deborah Goldsmith]

They’re not the only client of tzdb that’s still using rearguard, so I’m not sure what the issue is?

Thanks,
Debbie

> On Jun 26, 2019, at 11:36 AM, Paul Eggert <eggert at CS.UCLA.EDU> wrote:
> 
> Deborah Goldsmith wrote:
>> Any news?
> 
> I exchanged email yesterday with Oracle about this. They are currently looking at modifying TZUpdater to support vanguard format. Although I don't want TZUpdater issues to delay things unnecessarily, I thought I'd wait a bit longer as any TZUpdater fix (or at least clarification about if/when a fix might be expected) could help smooth the next tzdb release.