[GeoJSON] GeoJSON Digest, Vol 64, Issue 4

[Martin Daly]

> I completely understand the 'it works, it's simple, let's not mess with it'
> impulse/policy. Core/extension seems perfectly viable.

Core/extension is getting a bit standard-ese. I'd suggest doing it like this instead:

https://github.com/mapbox/simplestyle-spec

If people like it, they'll use it. If GitHub like it and use it, you've won.

Martin