[Tagging] when to use source:location?

[M∡rtin Koppenhoefer]

2010/8/10 Alan Mintz <Alan_Mintz+OSM at earthlink.net>:
> After discussing this a while ago on the list, I'm also using other
> source:<x> / source_ref:<x> pairs for various keys <x>:
>
> maxspeed
> maxspeed:children_present
> maxspeed:hgv
> maxweight
> maxheight
> bicycle
> cycleway
> lanes


for source:maxspeed there is already documentation on the wiki:
http://wiki.openstreetmap.org/wiki/Key:source:maxspeed

cheers,
Martin