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ICU-23338 Explicitly ignore permanent DST metazone entries #3895

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ICU-23338 Explicitly ignore permanent DST metazone entries #3895

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6 changes: 5 additions & 1 deletion tools/cldr/cldr-to-icu/src/main/resources/ldml2icu_supplemental.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -326,7 +326,11 @@
//supplementalData/metaZones/metazoneInfo/timezone[@type="(%W)"]/usesMetazone[@from="(%A)"][@mzone="(%W)"][@stdOffset="(%A)"][@dstOffset="(%A)"] ; /metazoneInfo/"$1"/<$2> ; values=$3 "$2" "9999-12-31 23:59"
//supplementalData/metaZones/metazoneInfo/timezone[@type="(%W)"]/usesMetazone[@from="(%A)"][@to="(%A)"][@mzone="(%W)"][@stdOffset="(%A)"][@dstOffset="(%A)"] ; /metazoneInfo/"$1"/<$2> ; values=$4 "$2" "$3"
//supplementalData/metaZones/metazoneInfo/timezone[@type="(%W)"]/usesMetazone[@to="(%A)"][@mzone="(%W)"][@stdOffset="(%A)"][@dstOffset="(%A)"] ; /metazoneInfo/"$1"/<1970-01-01 00:00> ; values=$3 "1970-01-01 00:00" "$2"
#
# Ignore entries with just dstOffset completely. ICU does not currently support permanent-DST metazone membership (ICU4X does, which is why such entries exist).
# //supplementalData/metaZones/metazoneInfo/timezone[@type="(%W)"]/usesMetazone[@from="(%A)"][@mzone="(%W)"][@dstOffset="(%A)"] ; /metazoneInfo/"$1"/<$2> ; values=$3 "$2" "9999-12-31 23:59"
# //supplementalData/metaZones/metazoneInfo/timezone[@type="(%W)"]/usesMetazone[@from="(%A)"][@to="(%A)"][@mzone="(%W)"][@dstOffset="(%A)"] ; /metazoneInfo/"$1"/<$2> ; values=$4 "$2" "$3"
# //supplementalData/metaZones/metazoneInfo/timezone[@type="(%W)"]/usesMetazone[@to="(%A)"][@mzone="(%W)"][@dstOffset="(%A)"] ; /metazoneInfo/"$1"/<1970-01-01 00:00> ; values=$3 "1970-01-01 00:00" "$2"

//supplementalData/metaZones/metazoneIds/metazoneId[@shortId="(%A)"][@longId="(%A)"][@deprecated="false"] ; /metazoneIds/$1 ; values=$2

//supplementalData/primaryZones/primaryZone[@iso3166="(%W)"] ; /primaryZones/$1 ; values={value}
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