* `warn` outputs warnings for a few such errors, but applies the
patch as-is (default).
* `fix` outputs warnings for a few such errors, and applies the
- patch after fixing them (`strip` is a synonym --- the tool
+ patch after fixing them (`strip` is a synonym -- the tool
used to consider only trailing whitespace characters as errors, and the
fix involved 'stripping' them, but modern Gits do more).
* `error` outputs warnings for a few such errors, and refuses