This is the one command namespace where they should not be any ambiguity about
command that should be in it. The perf extensions is only adding performance
so this is a good ground to start putting dash folding to the tests.
✅ refresh by Heptapod after a successful CI run (🐙 💚)
Why is this two dashes and not one?
(Here and elsewhere. I was surprised to see two and not one, and I don't know what that signifies...)
I took a time machine and answer that question last month ;-)