On Sep 17 2021, Paul Eggert via tz wrote:
@@ -255,11 +256,12 @@ any data that extends beyond the calculated end of the version .PP Other than version 1, writers should generate the lowest version number needed by a file's data. -For example, a writer should generate a version 3 file -if its leap second table neither expires nor is truncated at the start -and so does not use version 4 features, but +For example, a writer should generate a version 4 file +only if its leap second table either expires or is truncated at the start. +Likewise, a writer not generating a version 4 file +should generate a version 3 file only TZ string extensions are necessary to accurately
s/only/& if/ Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."