Should time zone info files be tagged with the tzdata version number?

Paul Eggert eggert at CS.UCLA.EDU
Sun Nov 25 16:44:40 UTC 2007

"Jonathan Leffler" <jonathan.leffler at> writes:

> Has anyone ever suggested embedding the version number of the time zone data
> files (eg "2007i") into that space, so that you can tell immediately where
> the data comes from when looking at the file?

Not that I know of.  But I'm not sure it's worth the hassle, as people
make changes to the source files on their own, and if that happens
the "version number" in the output will be unreliable.

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