History of question #691171
| When | Who | Action | New State |
|---|---|---|---|
| Jan Stránský | Request for more information | Needs information | |
| Hanying Zhang | Give more information | Open | |
| Jan Stránský | Answer | Answered | |
| Hanying Zhang | Reopen | Open | |
| Hanying Zhang | Comment | Open | |
| Jan Stránský | Answer | Answered | |
| Hanying Zhang | Reopen | Open | |
| Jan Stránský | Answer | Answered | |
| Hanying Zhang | Reopen | Open | |
| Jan Stránský | Answer | Answered | |
| Jan Stránský | Comment | Answered | |
| Hanying Zhang | Reopen | Open | |
| Jan Stránský | Answer | Answered |
