[tz] Use of <> delimiters in TZ string is not documented

[Paul_Koning at dell.com]

> On Aug 19, 2016, at 2:49 PM, Alexander Belopolsky <alexander.belopolsky at gmail.com> wrote:
> 
> The Asia/Almaty tzfile generated from recent Github tzdata snapshot contains the following TZ string at the end of the file
> 
> $ git describe
> 2016f-7-ge0a7616
> $ strings etc/zoneinfo/Asia/Almaty | tail -1
> <+06>-6

But why would you expect "strings" to produce useful output for a binary data file?

	paul