[Tagging] layer=-1, rivers, bridges and tunnels

[Ilpo Järvinen]

On Wed, 2 Apr 2014, Dave Swarthout wrote:

> C'mon guys. Tagging an entire river at layer=-1 is simply not the way to do
> things, unless it is a covered river or one that runs underground. What
> other possible justification is there other than not wanting to do the work
> of tagging bridges with a layer=1? If you argue it's okay if there aren't
> any crossing/overlapping objects do you mean on the entire planet?

C'mon guys. It should be done with sensible defaults rather than forcing 
mappers to tell such plain obvious things. Rivers tend to pretty 
universally go below bridges, don't you agree?

-- 
 i.