[tz] Recent conversions of zones to aliases

[Stephen Colebourne]

On 17 November 2014 09:22, Alan Barrett <apb at cequrux.com> wrote:
> On Mon, 17 Nov 2014, Stephen Colebourne wrote:
>>
>> And 2014j causes yet another bug downstream
>> https://bugs.openjdk.java.net/browse/JDK-8064914
>
>
> The zic(8) man page, which serves as documentation for the format
> of the input files, says:
>
>        The LINK-FROM field should appear as the NAME field in some
>        zone line.
>
> To me, this means that a Link should not point to another Link, but should
> point to a Zone.  This combination of links would appear to violate that
> requirement:
>
>        Zone Africa/Nairobi ...
>        Link Africa/Nairobi Africa/Asmara
>        Link Africa/Asmara Africa/Asmera

And yet logically, what should be expressed is that Asmera is an alias
for Asmara. Making backzone point at Nairobi would be very confusing.

Stephen