[tz] draft of change summary for next tz release

[Alan Barrett]

On Wed, 18 Sep 2013, Lester Caine wrote:
> My LMT *and* LMTZ data stays in 'extended' and only the 
> 'condensed' data is kept separate.

You often mention "LMTZ".  What does that term mean?

--apb (Alan Barrett)