[Tagging] highway=residential_link

[Colin Smale]

Tom, 

To avoid key fragmentation? Really? Apparently creating is_link=yes is
OK, but using residential_link is wrong. People only cite things like
"key fragmentation" when it appears to support their case; it is not
really an active Basic Principle of OSM. If it was, there are probably
loads of other keys which should be attacked and deprecated as well, and
actual usage (however small) seems to trump any arguments about
correctness of the underlying tagging model including "key
fragmentation". 

//colin 

On 2015-11-10 14:05, Tom Pfeifer wrote: 

> Colin Smale wrote on 2015-11-10 13:54: 
> 
>> Duck test: short link between two primaries is primary_link, so a short link
>> between two residentials is residential_link. The fact that it is a very rare
>> scenario does not detract from the fact that it is existable.
> 
>> Why resort to a different tagging
>> pattern if it fits in the one we use for other analogous situations?
> 
> As said, to avoid key fragmentation, for this very rare species of ducks.
> amenity=poultry + poultry=rare_duck
> You can squeeze in more species hierarchy if you like.
> 
> Cartography involves an abstraction process, and that is supported by
> categorising the tagging schemes.
> 
> tom
> 
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