[tz] [PROPOSED 3/3] Vanguard form now uses subsecond precision

[Paul Eggert]

On 8/1/22 12:57, Michael H Deckers wrote:

>     • Unsurprisingly, no change is proposed for backzone -- but this is
>       bound to produce new inconsistencies:

Yes, 'backzone' has many glitches. Fixes in 'git format-patch' format 
would be welcome.


>     • Zone Asia/Jakarta needs an UNTIL AT column
>          #STDOFF   7:07:12.5                   23:47:12.5

Thanks for catching that. I installed the first attached patch.

While looking into that, I noticed glitches related to a 2006 hack 
installed to work around old zic issues that I think are now irrelevant 
(zic has changed quite a bit to handle 32- vs 64-bit output) so I 
installed the second attached patch as well.

Neither of these patches affect generated timestamps (e.g., zdump output 
is identical).
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