History of question #229898
| When | Who | Action | New State |
|---|---|---|---|
| Christian Jakob | Comment | Open | |
| Fu zuoguang | Give more information | Open | |
| Christian Jakob | Comment | Open | |
| Jan Stránský | Answer | Answered | |
| Fu zuoguang | Reopen | Open | |
| Christian Jakob | Answer | Answered | |
| Fu zuoguang | Confirm | Solved |
