Reading URL http://overpass-api.de/api/interpreter?data=%5Bout%3Axml%5D%3B%28node%5B%22electric_bus%22%5D%3Bway%5B%22electric_bus%22%5D%3B%3E%3Brel%5B%22electric_bus%22%5D%3B%29%3Bout%20meta%3B
URL or group of IDs like "n54,w33": OSM or OSC file: