[Tagging] roundhouses tagging

[Paul Johnson]

On Mon, Apr 30, 2012 at 9:19 AM, Mihkel Rämmel <rm87 at hot.ee> wrote:

> On Mon, Apr 30, 2012 at 6:44 PM, Paul Johnson <baloo at ursamundi.org> wrote:
>>
>> On Mon, Apr 30, 2012 at 8:36 AM, Mihkel Rämmel <rm87 at hot.ee> wrote:
>>>
>>> Should railway roundhouses be tagged railway=roundhouse (as suggested on
>>> http://wiki.openstreetmap.org/wiki/Tag:railway%3Droundhouse)
>>> or as building=roundhouse? Or both?
>>> And how would you tag an old roundhouse that is nowadays used for
>>> something else (building=warehouse)?
>>>
>>
>> building=yes, railway=roundhouse?
>
> Would soon lead to building=roundhouse, railway=roundhouse . Which is
> information duplication.

I don't see why building would have to duplicate the railway tag.
building=yes asks "Is there a building of any kind?" and answers it
with "yes."  Pretty commonly accepted practice.