[tz] tzdata2016g missing version information

[Paul Goyette]

On Thu, 29 Sep 2016, Brian Inglis wrote:

> On 2016-09-28 19:30, Paul Eggert wrote:
>> On 09/28/2016 02:30 PM, Steve Summit wrote:
>>> Maybe install it in the zoneinfo dir as ".version"?
>> Perhaps we should put some syntax into the installed file, so that no
>> matter what the version is, the file can't be misinterpreted as a tz
>> binary file. For example, the file could be a line of the form
>> "version='V'" rather than just "V", and we could call the file
>> "version.sh" so that people expect it to use shell script syntax.
>> This would give us more freedom to extend the file's format later.
>> Calling the file "version.sh" also makes it clearer that it's not a
>> normal data file, whose names do not contain ".". It might be better
>> to do it that way, than to use a leading "." and make the file
>> hidden.
>
> How about just keeping it pure data and calling it version.txt,
> version.list, version.version, or $PKG.version?

Or, if we anticipate additional metadata in the future, we could include 
a metadata.txt file similar to

 	<version>2016g</version>



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