History of question #6147
| When | Who | Action | New State |
|---|---|---|---|
| Cesare Tirabassi | Answer | Answered | |
| kovalenkov | Reopen | Open | |
| Cesare Tirabassi | Answer | Answered | |
| kovalenkov | Confirm | Solved | |
| Cesare Tirabassi | Comment | Solved | |
| kovalenkov | Reopen | Open | |
| Massimo Forti | Answer | Answered | |
| Christoph Langner | Answer | Answered | |
| kovalenkov | Confirm | Solved |
