| f'{42}' | |
| f'{42!r}' | |
| f'{42!r:03}' | |
| f'{42:03}' | |
| f'{42!r:{y}.{z}}' | |
| f'{<error descr="expression expected"><error descr="} expected">'</error></error> | |
| f'{42:{<error descr="expression expected"><error descr="} expected">'</error></error> | |
| f'{42!r:{<error descr="expression expected"><error descr="} expected">'</error></error> | |
| f'{{' | |
| f'{{{<error descr="expression expected"><error descr="} expected">'</error></error> |