[talk-au] Address tagging guidelines for Australia

[Ross Scanlon]

> I came to this because I was asking myself:
> - Are we using QLD or Queensland for addr:state?
> <https://wiki.openstreetmap.org/wiki/Key:addr:state>
> - What is our definition of suburb vs city for the tags? (e.g. The Gap
> vs Brisbane. Postal addresses only contain "The Gap", and it is referred
> as a suburb of Brisbane in spoken language, but does the tagging scheme
> ask for The Gap as addr:city?)

addr:state=Qld

addr:city=Brisbane
addr:suburb=The Gap

I'd also suggest adding to all

addr:postcode=
addr:country=AU

I know that nominatim can determine these but other data users may want 
this information for other purposes.

Cheers
Ross