[Tagging] Feature Proposal - RFC - protection_class=* (Words, not numeric codes)

[Joseph Eisenberg]

The only thing that the proposal page still needs is a couple more
detailed definitions for some of the tags.

The ones based on IUCN levels already have a fairly good description.

But protection_class=recreation should be clarified - what exactly is
protected here, and what sort of recreation are we talking about? It
should be clear how this is different than a leisure=recreation_ground
or sports_centre or =park.

The tags protection_class=water, protection_class=culture,  and
protection_class=hazard might need slightly improved definitions too.

Besides that, everything looks pretty good.

-- Joseph Eisenberg