[tz] Incorrect timezone offset with current Russian rules - tzdata or glibc bug or normal?

[Paul Eggert]

Andrei Borzenkov wrote:
> I hit strange problem which looks like a bug

This topic came up before, and although indeed it is a mess, I'm afraid it's not 
a bug.  Please see the thread ending here:

http://mm.icann.org/pipermail/tz/2014-October/021660.html

The bottom line is that code should not be using 'timezone'.