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-rw-r--r--tz/etcetera8
1 files changed, 6 insertions, 2 deletions
diff --git a/tz/etcetera b/tz/etcetera
index 1dc7411..a7e0eb4 100644
--- a/tz/etcetera
+++ b/tz/etcetera
@@ -17,12 +17,16 @@
# behind GMT but uses the completely misleading abbreviation "GMT".
Zone Etc/GMT 0 - GMT
+
+# The following zone is used by tzcode functions like gmtime,
+# which load the "UTC" file to handle seconds properly.
Zone Etc/UTC 0 - UTC
# The following link uses older naming conventions,
# but it belongs here, not in the file 'backward',
-# as functions like gmtime load the "GMT" file to handle leap seconds properly.
-# We want this to work even on installations that omit the other older names.
+# as it is needed for tzcode releases through 2022a,
+# where functions like gmtime load "GMT" instead of the "Etc/UTC".
+# We want this to work even on installations that omit 'backward'.
Link Etc/GMT GMT
Link Etc/UTC Etc/Universal