[OSM-talk] Keep Mapnik relevant

[Thomas Wood]

2009/1/7 Matthias Julius <lists at julius-net.net>:
> If historic data is within the scope of OSM then it surely is not only
> of interest for railways.  Therefore a generic way of tagging should
> be used that can apply to any object.  Maybe removed=yes|<date>
>
> Matthias
>

But then we get into the messy situation of not being able to read off
a single tag to decide what type of feature something is.

Not all data clients are likely to implement a tag that means the
logical opposite of the existence of a feature.

-- 
Regards,
Thomas Wood
(Edgemaster)