[Tagging] type=bounday

[Colin Smale]

> On 03/28/2022 9:31 PM Minh Nguyen <minh at nguyen.cincinnati.oh.us> wrote:
> 
>  
> Vào lúc 10:04 2022-03-25, David Marchal via Tagging đã viết:
> > Multipolygons were considered but boundary was preferred because such 
> > areas are often subject to a separate set of laws, akin to a protected 
> > area, but less strict, so it was more akin to a boundaried area than to 
> > a simple multipolygon.
> > 
> > That being said, as you said, this changes almost nothing for mapping.
> 
> Boundary relations can indicate the capital (admin_centre) or cultural 
> center (label) of an administrative area.

Since when has the "label" indicated the cultural centre? AFAIK it's a hint for the renderer, useful when the geometry of the area is such that classic placement algorithms such as centroid would pick a bad place.