[Tagging] tagging for decaying features

[Richard]

On Wed, Jan 03, 2018 at 03:17:44PM -0500, Kevin Kenny wrote:
> On Tue, Jan 2, 2018 at 9:59 PM, Warin <61sundowner at gmail.com> wrote:
> 
> >
> > historic:  used for things that are historic. Being historic does not
> > imply the state of repair, use or where they are in their life cycle.
> >
> 
> For want of anything better, I've used this to tag things that have been
> repurposed; for instance, a private home that was once a schoolhouse,
> still bears the school's name on the lintel, looks for all the world like
> an old schoolhouse, but is nevertheless a private home.
> 
> Repurposing is a part of the life cycle that the Wiki article does not
> appear to contemplate.

I have changed the wiki article to mention this. However most of the 
current use of "historic:*" seems to be for other purposes so it is easily 
a bit confusing.
For your kind of use the "date namespace" may be an alternative.

Richard