Oh, that's a very good question! It doesn't because the list linked above is about syntactical equivalence and the shorthand `&` has its own AST. But now you made me wonder if we should add it to the list anyway (with a caveat) as it would make the list more complete.
Yup! They are not that many though (6 rules) and they are all documented here: https://hexdocs.pm/elixir/syntax-reference.html#syntactic-su...