mix "good" and "bad" with "old" and "new" in a single session.)
In this more general usage, you provide `git bisect` with a "new"
-commit has some property and an "old" commit that doesn't have that
+commit that has some property and an "old" commit that doesn't have that
property. Each time `git bisect` checks out a commit, you test if that
commit has the property. If it does, mark the commit as "new";
otherwise, mark it as "old". When the bisection is done, `git bisect`