On Tue, 12 Mar 2019 at 00:51, marc marc <marc_marc_...@hotmail.com> wrote:
When one shop is replaced by another, I always keep the old name with > old_name even if no one else uses it to designate the new store. the > primary purpose is to prevent someone from re-encoding the old store > with an older source than mine. > I do that with a note because Nominatim will return answers for old_name as well as name. So if the supermaket chain Whizzo (fictional name) has closed down its store in one town, using old_name=Whizzo will lead people from out of area searching for their nearest Whizzo to think it's still there but has rebranded (it's still Whizzo but with a new name). That's why note=* exists, to let other mappers know why a thing is mapped a certain way when reasons exist to assume it ought not be. There are cases where I'd use old_name: where the name has changed but not the function. Houses of significance (such as listed buildings, mansions, etc.) which have changed name but references may be found in older books (and even on-line) to the old name. You may not know that Castell Malgwyn Hotel became Hammet House after you find a reference to Castell Malgwyn somewhere (still a hotel: it may revert to theold name soon, and if it does I'll swap name and old_name). Pubs sometimes change name with a change of landlord, and again references to the old name abound. Where I'd definitely not use old name is where (for example) a general store closed down and a restaurant re-opened in its place: Siop y Cardi (general store) in Cardigan is now Crwst (restaurant). Using old_name for that would be highly misleading and benefit nobody. If I thought another mapper might come along and rename back to Siop y Cardi then I would have added a note saying that was the building's previous incarnation, not used old_name. -- Paul
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