[OSM-newbies] Any purpose for both an closed way, and a separate node in the centre?

[Dave F.]

  On 07/08/2010 22:27, Claudius wrote:
> Am 07.08.2010 16:09, Alan Mintz:
>> At 2010-08-07 01:06, Andrew Harvey wrote:
>>> Also sometimes I see a single node tagged as parking.
>>
>> Similarly, if you draw the area as a closed way, remove the node.
>> Otherwise, I believe it renders twice (once at the node and once at the
>> centroid of the area).
>
> One little hint to preserve the nodes' history: Use the former single 
> node as a node of the newly created polygon shape.
>
Could you explain the advantage of this?

The tags should be applied to the closed way.

Cheers
Dave F.