The problem occurs when there are many houses / apartment within a single 
property boundary. I agree with the following:

1) don't merge the addresses. A mapper with local knowledge would be able to 
split them up and assign them to different buildings. Merging the addresses 
would intentionally create incorrect data.

2) don't leave the nodes in the same position. This action has the effect of 
intentionally creating messy data for humans. (it would be good for navigator 
software, though! But OSM is humans first!)

3) don't delete the data. It's useful data that has been extracted and 
shouldn't be thrown away.

My conclusion to satisfy the above is to take those nodes and put it in another 
separate OSM file, maybe grouped by suburb and called EPPING-UNRESOLVED.osm. I 
will upload this to the git repository but not upload to OSM.

This way OSM always has clean data, and we keep a record of all of these 
uncertainties. Others in the future can check them out and resolve them through 
local knowledge mapping. I reckon after collecting a bunch, they can be 
resolved through a Sunday afternoon drive around a few suburbs taking notes.

What do you reckon?

Dion Moult

-------- Original Message --------
On 7 Jul 2018, 21:33, Andrew Harvey wrote:

> On 7 July 2018 at 21:18, michael spreng <[email protected]> wrote:
>
>> Hi
>>
>> If the addresses just differ in house number you can merge them and put
>> both numbers in the house number tag, separated by comma: 4,6 for example.
>
> I don't think that's the best idea, since they are different addresses.
>
> I do think it's preferable to avoid overlapping points as it makes it more 
> difficult for mappers who come by later to fix things up based on a survey.
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