A Sort of Permutation

I've just updated my essay on permutation sort, revising the code formatting, linking some more references, and elaborating a couple of concepts, constructs and code. So, a little more algorithmic clarification and notation than the previous version.

#PermutationSort #EsotericAlgorithms
https://kevlinhenney.medium.com/a-sort-of-permutation-768c1a7e029b