message: Fix Chunk.join
diff: @@ -5,7 +5,7 @@ import { reduce_ } from "./reduce"
  * joins the elements togehther with "sep" in the middle
  */
  export function join_(self: Chunk<string>, sep: string) {
  - return reduce_(self, "", (s, a) => (s.length > 0 ? `${sep}${s}${a}` : a))
  + return reduce_(self, "", (s, a) => (s.length > 0 ? `${s}${sep}${a}` : a))
  }
  /**
  