[Tagging] leisure=track on areas?

[Daniel Koć]

We try to reload database available for official osm-carto deployment 
(which is needed for rendering some additional features and refining 
some other):

https://github.com/gravitystorm/openstreetmap-carto/issues/1504

but it appears we don't know how should we treat leisure=track: is it a 
linear object or maybe kind of area? Infobox in wiki article says one 
thing ("lines only"), but the body of this article shows this is not 
that easy.

I guess without treating track as area this multipolygon rendering would 
not be possible:

http://wiki.openstreetmap.org/wiki/File:Sport_track_rendering.png

-- 
"Low, low, low..." [M. Kempa]