[Tagging] Buildings mixing residential and commercial use

[Warin]

On 31/08/2015 8:58 AM, John Willis wrote:
>
>> On Aug 31, 2015, at 12:05 AM, Mateusz Konieczny <matkoniecz at gmail.com> wrote:
>>
>> uilding=commercial is quite suspect.
> To me, there are 2 basic types of mixed use buildings.
>
> mixed_use_urban
> And
> mixed_use_house
>
> There are so many different combinations of retail, residential, hotel, and commercial (and in come cases, attraction) That as long as there is some kind of residential space (apartments/condos), then it would be mixed_use_urban.
> This is especially true if the public facing  part (the bottom floor or the side towards the street) are non-residential use (a business/shop/not parking).
snip
>
> So i suggest those two building types to denote these two basic types of mixed use.

I think it better to bite the bullet and start sub tagging correctly ... 
thus for a retail mixed with apartments

building=mixed (or =yes etc)
building:retail=yes
building:apartment=yes

? More thoughts please...