We made Mailwoman speak Nominatim, and it put Warsaw in Indiana

You can point a Nominatim client at Mailwoman now — no PostgreSQL, no planet import, a geocoder from a SQLite file. We did, and the US worked beautifully while the rest of the world resolved to its American namesake. The bug was one line: we'd told it the answer was always America. Here's the line, the four cities that still won't move once you delete it, and the ranking database we forgot to…