Hello
World
STR
- Open the inspector
- Select the "main" node
- Turn on the grid inspector
- Make sure you have the "display line numbers" checked
- Select the "b" node in "main"
- Focus the "-1" in the grid-row value
- Hit ↓ to decrement it multiple times
- See the line numbers disappearing in the grid inspector, and eventually, at "-4" the whole inspector disappears