Support format function with empty format string, make sum of nulls evaluate to zero #793
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|---|---|
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| 59m 25s | |
| 45m 44s | |
| 49m 34s | |
| 45s | |
| 3m 3s | |
| 4m 19s | |
| 5m 45s | |
| 4m 31s | |
| 10m 29s | |
| 5m 57s | |
| 4m 59s | |
| 1m 48s | |
| 2m 8s | |
| 4m 32s | |
| 5m 11s | |
| 7m 17s | |
| 9m 34s | |
| 23m 26s | |
| 12m 50s | |
| 13m 3s | |
| 4h 39m 21s |