echo "Current pyevn version: $(pyenv --version)"

  # Check if pyenv is managed by homebrew. If so, update and upgrade pyenv.
  # Otherwise, install the latest pyenv from github.
  if command -v brew &> /dev/null && brew list pyenv &> /dev/null; then
    # On "ventura-slcn" VMs, pyenv is managed via Homebrew.
    echo "pyenv is installed and managed by homebrew."
    (brew update && brew upgrade pyenv) || true
  else

    )

    // (D) Czech
    testEncodeDecode(
      unicode = "Pročprostěnemluvíčesky",
      punycode = "xn--Proprostnemluvesky-uyb24dma41a",
    )

    // (E) Hebrew:
    testEncodeDecode(
      unicode = "למההםפשוטלאמדבריםעברית",
      punycode = "xn--4dbcagdahymbxekheh6e0a7fei0b",
    )

    // (F) Hindi (Devanagari)
    testEncodeDecode(