minor correction (it's a part of Postgasse, not Schönlaterngasse)

deleted address node duplicate

minor correction (address-nodes, entrances)

deleted fixme (verfied name and existence of galery), deleted one duplicate poi, added some info to poi (deli)

deleted fixme (verfied capacity)

added some more info to poi

added one poi (information centre)

revert changeset 54636608

edited one building (see https://www.openstreetmap.org/note/853521)

edited one poi (it's an archive, not a library)

minor correction (it's an archive, no library)

edited one poi (archive)

let's make Kärtner Straße a pedestrian area (I hope I don't break routing…)

edited one building (until 2011 this was the company headquaters of Österreichische Post AG, now they are at Rochusplatz 1, 1030 Wien)

edited one poi (research office), added another one (museum)

minor correction (this part of the building is not a part of the church, it's a hotel)

minor correction (address, building)

minor correction (one building)

edited one building (added a building part with its original name and a poi for the current utilisation)

edited one poi (cafe)