SKIP instead of ERROR if opentype/slant_direction's reference codepoint is not covered
#2239
| Job | Run time |
|---|---|
| 1m 0s | |
| 1m 48s | |
| 3m 46s | |
| 1m 27s | |
| 1m 30s | |
| 4m 13s | |
| 3m 50s | |
| 2m 33s | |
| 3m 2s | |
| 3m 7s | |
| 2m 56s | |
| 3m 2s | |
| 2m 53s | |
| 35m 7s |