[tz] Destruction of timezone history - please revert

[Alois Treindl]

I consider the decision to merge zones of multiple countries, just 
because they share a common post-1970 history, one of the worst 
decisions ever made for the TZ project.

There used to be Zone Europe/Copenhagen, which represented the exact 
timezone history of Copenhagen, in fact all of Denmark, since
the introduction of standard time in Denmark in 1890.

Not the file 'europe' says
# For Denmark see Europe/Berlin.

But zone Europe/Berlin is a bad representation Denmark's timezone 
history. It gives false data from 1949 backward.

The decision to remove zones like Europe/Copenhagen from the main zone 
files destroys the work of a whole generation
of timezone history researchers.

It is a completely unnecessary step, forced by nothing.

I urge the responsible persons top revert this step.

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