[dashed-function-named-arg.tentative.html]
  [e.style['top'\] = "--func(myident)" should set the property value]
    expected: FAIL

  [e.style['top'\] = "--func(--myident)" should set the property value]
    expected: FAIL

  [e.style['top'\] = "--func(--)" should set the property value]
    expected: FAIL

  [e.style['top'\] = "--func(50px --myident:)" should set the property value]
    expected: FAIL

  [e.style['top'\] = "--func({--myident:})" should set the property value]
    expected: FAIL

  [e.style['top'\] = "--func({ --myident:})" should set the property value]
    expected: FAIL

  [e.style['top'\] = "--func({--myident :})" should set the property value]
    expected: FAIL

  [e.style['top'\] = "--func({--myident: })" should set the property value]
    expected: FAIL

  [e.style['top'\] = "--func(10px, { --myident : })" should set the property value]
    expected: FAIL