[Tagging] Differentiating streets with official name from non-official yet name

[Nelson A. de Oliveira]

On Mon, Nov 7, 2016 at 3:24 PM, Martin Koppenhoefer
<dieterdreist at gmail.com> wrote:
> this whole "official name" story isn't completely obvious either. Who is the
> entity to decide on the name?

The city grew up from a small village, without a city hall. People
named (who knows how) the streets and they stayed named like this.
After achieving its "city" status, with a city hall, laws, etc, some
street names started to be officially voted and defined.