Brent Yorgey's `split` package (byorgey/split). Bug fixes mined from upstream history; modern HEAD is the base, each patch reverse-applies a fix to install the original bug.
Per-property results
| Property | passed | failed | other | verdict |
|---|---|---|---|---|
DropFinalBlankEmptyList | 0 | 40 | 0 | bug found |
UnintercalateIsInverseOfIntercalate | 40 | 0 | 0 | — |