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Maurice
fab3d2bdf8
Typing "Tokio station" from Tokyo suggested a weigh station in Ritzville and a
station in Tuxtla Gutiérrez, and typing "Tokyo Station" put Japan in seventh
place behind Markham, Arlington, Calgary, Milano and Melbourne. The station
itself was never in the list.
The service has had the answer all along. Its OpenStreetMap layer carries 14.6M
travel places with every name form each is known under, including the exonyms a
traveller actually types, and it is not the same data as the index: Overture
holds businesses, so a search for a station finds the shops inside it. The layer
returns "Tokio Hauptbahnhof" for the German spelling and 東京駅 for the Japanese.
It was never asked. `sources` defaults to the index alone and trekPlacesSearch
never sent the parameter, so no caller here has ever seen a layer row.
Sent on the autocomplete path only. The explicit search asks Nominatim in
parallel and would get the same OpenStreetMap places twice; this path asks
nobody else, because Nominatim's usage policy names autocomplete as
unacceptable use. So the layer is not a second opinion here, it is the only
place those names live.
A layer row has a different shape, and that shape is why this is more than one
parameter. It has no `gers` and no address block, and its id reads
`osm:node/9712313` where this file resolves `node:9712313`. Passing it through
untranslated would hand the client an id getPlaceDetails does not know, and the
failure would land after the user had already picked the suggestion. The
secondary line falls back to the local name, which is what is written on the
building and more use under a translated label than an empty line.
Measured against the service before the change, same query, same coordinates:
"Tokio station" index only -> Tokio Weigh Station, Ritzville US
with layer -> Tokio Hauptbahnhof in second place
"東京駅" index only -> six restaurants inside the station
with layer -> 東京駅 itself in the list