Update help message of jj edit, add FAQ on idiomatic change switching
#9655
| Job | Run time |
|---|---|
| 3m 17s | |
| 3m 4s | |
| 30s | |
| 23s | |
| 8m 2s | |
| 4m 17s | |
| 38s | |
| 17s | |
| 22s | |
| 2m 20s | |
| 25s | |
| 23m 35s |