[Talk-us] Changeset to revert (or defend?)

[Mike N.]

> I totally disagree. When surveying, I look at the reality of the elevation
> of the bridge compared to all the layer-0 features around it. If it is at
> the same elevation, the bridge stays at layer 0 and whatever it crosses is
> tagged as layer=-1. This correctly represents the "ground truth". This is
> very commonly the case with concrete drains/canals. It has the added
> advantage of not requiring rework when you add a new feature to an area -
> you simply tag that feature with the correct actual layer and no other
> features need to be edited.

  This works only if the section tagged with layer = -1 only includes that 
which is covered by the bridge.   Tagging an entire road which happens to 
pass under a bridge as layer = -1 does not match what's on the ground.