| 7 | | 1. If you merge all the middle nodes on the west side onto the north-west edge node of [[example.osm]], you get [[example2.osm]], a square, closed way containing six nodes. |
| 8 | | 2. Just select a way, delete it and select it with the selection history -> way with zero nodes. Delete it -> exception. |
| | 7 | 1. If you merge all the middle nodes on the west side onto the north-west edge node of [[/ticket/6640/example.osm | example.osm]], you get [[/ticket/6640/example2.osm | example2.osm]], a square, closed way containing six nodes. |
| | 8 | 2. Just select a way, delete it and select it with the selection history -> way with 0 nodes. Delete it -> exception. |