> I wonder, does #(* %1) do anything sensible? It's a 1-argument function, so applying it to 2 arguments would give an error. Minus the arity error, 1-argument

> I wonder, does #(* %1) do anything sensible? It's a 1-argument function, so applying it to 2 arguments would give an error. Minus the arity error, 1-argument * is an identity.