[function-relative-units.html]
  [em in a typed parameter]
    expected: FAIL

  [rem in a typed parameter]
    expected: FAIL

  [em within calc() in a typed parameter]
    expected: FAIL

  [em in a typed parameter, untyped return]
    expected: FAIL

  [em in a typed parameter default]
    expected: FAIL

  [em in a typed parameter of a nested function]
    expected: FAIL

  [em in a typed result]
    expected: FAIL

  [em within calc() in a typed result]
    expected: FAIL

  [em in an untyped local substituted into a typed result]
    expected: FAIL

  [em in an untyped parameter]
    expected: FAIL

  [em in an untyped result]
    expected: FAIL