Subject: bug#79437: 30.2; world-clock silently and incorrectly parses invalid time zone

From: Paul Eggert <[email-masked]>
Date: Sat, 13 Sep 2025 08:05:55 -0700

On 2025-09-13 08:02, Eli Zaretskii wrote:
> Wouldn't such a test be expensive (scan the entire
> timezone DB)?

No, as we merely need to check whether the TZ setting matches a time 
zone file. (This is for the typical case where each named time zone has 
a file; Android would be different.)

Yeah, probably not worth the hassle.