guard against negative arguments to scroll-line-location
#380
| Job | Run time |
|---|---|
| 4m 48s | |
| 5m 27s | |
| 10m 15s |
scroll-line-location
#380
| Job | Run time |
|---|---|
| 4m 48s | |
| 5m 27s | |
| 10m 15s |