[Tagging] Clean up *=milestone (WAS: pk vs kp on *=milestone and default unit?)

[fly]

On 18.05.2013 01:14, ppece wrote:
> Hi. I'm from polish OSM society. We're currently running local
> competition to map milestones and we're using this scheme.
> 
>> * I would suggest to use distance= (mileage= is not metric) instead of
>> pk/kp and km (kilometre) as default unit.
> 
> I agree with that. We were close to develope new tagging scheme with
> "distance" key instead of "pk", but we eventually found this scheme in
> wiki. We stick "pk" only beceuase it is already in use in some countries
> like Germany. "pk" says nothing about the tag and (as far as i know) is
> not related to english, but french. If there is opportunity to change,
> "distance" key will be better than "pk" (kilometre as default unit).

So, do we need a proposal to change from pk=* to distance ?

ATM JOSM is not rendering pk=* but it would render our designated tag
within days and also warn about the deprecated tag.

fly