Attribution missing from maps by Ruter trams and Color line (and separat reopened NRK post)

(Sorry for the bad picture quality - hi-res images here.)

1) Trikken AS: All the new trams in Oslo have multiple digital screens, at it seems that they use OSM in some format to show live location maps:

Can this be true? (Please comment if you think this is correct.) And if so, what is the next step to inform them?

My guess is that they somehow do a crop on all the screens, and show only part of the map they are displaying, as other maps that use Leaflet are showing attribution like this (source):

image

2) Color Line - Kiel ↔ Oslo have their own TV-channel in the cabins, and multiple screens across the ferry that display a live location map (and a lot of commercials of course). No attribution at all here:

3) NRK - Also, see a new round on: Attribution missing from maps by NRK [fixed] - General talk - OpenStreetMap Community Forum

Nothing on either of these in searching: Issues · openstreetmap/tile-attribution. And according to this we shpould also send an email: Licence/Attribution Reminder Templates – OpenStreetMap Foundation.

PS
Contacted BrøyteWeb and they fixed the issue. The lower left attribution element has been added. So, one win.

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are there any known cases of OSM data being wrong/weird/missing in Oslo for data that is being displayed here? I would check is this display affected in the same way

Leaflet also behave in this way if you have not set attribution at all (if you use OSMF tile servers and recent leaflet, attribution will be added automatically but it is new)

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Thanks. Need help with the first and thanks for your insight on the latter. Quiet summer holidays in Norway now, so will wait for some local answers from the good OSM people in Oslo.