From 69218353e5e544348c8c0b138e6ab9c2e63c40aa Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Tue, 10 Dec 2024 10:53:14 -0800 Subject: [PATCH] Comment that icuzones should not be fed to zic --- icu4c/source/tools/tzcode/icuzones | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/icu4c/source/tools/tzcode/icuzones b/icu4c/source/tools/tzcode/icuzones index 940b0557acc..2a99c8645b9 100644 --- a/icu4c/source/tools/tzcode/icuzones +++ b/icu4c/source/tools/tzcode/icuzones @@ -11,6 +11,10 @@ # that are in CLDR and also include legacy ICU time zones originally # in tz.alias for rataining backward compatibility. +# This file is not intended for use by zic, the TZDB timezone compiler. +# Feeding it to zic would define Etc/Unknown as a known, valid timezone, +# whereas Etc/Unknown should stand for an unknown or invalid timezone. + # Add Etc/Unknown, defined by CLDR. Give it Etc/GMT behavior. # Zone NAME GMTOFF RULES FORMAT -- 2.47.1