History of question #20639
| When | Who | Action | New State |
|---|---|---|---|
| Dmitry Mityugov | Answer | Answered | |
| Patrick Cross | Reopen | Open | |
| Patrick Cross | Give more information | Open | |
| Dmitry Mityugov | Answer | Answered | |
| Patrick Cross | Reopen | Open | |
| Dmitry Mityugov | Answer | Answered | |
| Patrick Cross | Reopen | Open | |
| zzzxxx | Answer | Answered | |
| Jim Hutchinson | Answer | Answered | |
| Patrick Cross | Reopen | Open | |
| Patrick Cross | Give more information | Open | |
| zzzxxx | Answer | Answered |
