   }
 }
 
-// Append the utf8 elements of an ascii string to a [UInt8]
+// Append the utf8 elements of an utf16 string to a [UInt8]
 @inline(never)
 public func run_ArrayAppendUTF16(_ N: Int) {
   let s = "the quick brown 🦊 jumps over the lazy dog"

  let other = Array(repeating: S(x: 3, y: 4.2), count: 10_000)
  for _ in 0..<N {
    for _ in 0..<10 {
      var nums = [S<Int,Double>]()
      for _ in 0..<8 {
        nums += other
      }

  }
}

// Append the utf8 elements of a latin1 substring to a [UInt8]
@inline(never)
public func run_ArrayAppendLatin1Substring(_ N: Int) {
  let s = "the quick brown fox jumps over the lazy dog\u{00A1}"[...]
