[Tagging] Blatant tagging for the renderer: bridges & abandoned railways

[moltonel 3x Combo]

On 09/03/2015, Tom Pfeifer <t.pfeifer at computer.org> wrote:
> +1, please tag what is on the ground,
> and railway=abandoned is not rendered on carto by decision, read here:
> https://github.com/gravitystorm/openstreetmap-carto/pull/542

As for the discussion on rendering standalone bridges :
https://github.com/gravitystorm/openstreetmap-carto/issues/1320

Note that there has been lots of arguing on the railway topic on
github (and elsewhere). Please don't refuel that particular debate,
osm-carto's choices may not match your own, but they are coherent.