[Tagging] Value separator

[Tobias Knerr]

yvecai wrote:
> What is the best way to 'separate' values?
> I think about piste:grooming='classic;skating' or 'classic+skating'.

Reasons to prefer semicolon: Has been done that way for years. Is also
documented in the wiki. http://wiki.osm.org/Semi-colon_value_separator

> Actually, this can be argued that this is a particular grooming type of
> crosscountry ski pistes, not a simple addition of a 'classic' and
> 'skating' grooming.

If you consider your example a grooming type on its own, then of course
you aren't looking for a value separator at all.

Tobias