[word-spacing-composition.html]
  [Compositing: property <word-spacing> underlying [50px\] from add [100px\] to add [200px\] at (-0.3) should be [120px\]]
    expected: FAIL

  [Compositing: property <word-spacing> underlying [50px\] from add [100px\] to add [200px\] at (0) should be [150px\]]
    expected: FAIL

  [Compositing: property <word-spacing> underlying [50px\] from add [100px\] to add [200px\] at (0.5) should be [200px\]]
    expected: FAIL

  [Compositing: property <word-spacing> underlying [50px\] from add [100px\] to add [200px\] at (1) should be [250px\]]
    expected: FAIL

  [Compositing: property <word-spacing> underlying [50px\] from add [100px\] to add [200px\] at (1.5) should be [300px\]]
    expected: FAIL

  [Compositing: property <word-spacing> underlying [100px\] from add [10px\] to add [2px\] at (-0.5) should be [114px\]]
    expected: FAIL

  [Compositing: property <word-spacing> underlying [100px\] from add [10px\] to add [2px\] at (0) should be [110px\]]
    expected: FAIL

  [Compositing: property <word-spacing> underlying [100px\] from add [10px\] to add [2px\] at (0.5) should be [106px\]]
    expected: FAIL

  [Compositing: property <word-spacing> underlying [100px\] from add [10px\] to add [2px\] at (1) should be [102px\]]
    expected: FAIL

  [Compositing: property <word-spacing> underlying [100px\] from add [10px\] to add [2px\] at (1.5) should be [98px\]]
    expected: FAIL

  [Compositing: property <word-spacing> underlying [50px\] from add [100px\] to replace [200px\] at (-0.3) should be [135px\]]
    expected: FAIL

  [Compositing: property <word-spacing> underlying [50px\] from add [100px\] to replace [200px\] at (0) should be [150px\]]
    expected: FAIL

  [Compositing: property <word-spacing> underlying [50px\] from add [100px\] to replace [200px\] at (0.5) should be [175px\]]
    expected: FAIL

  [Compositing: property <word-spacing> underlying [50px\] from add [100px\] to replace [200px\] at (1) should be [200px\]]
    expected: FAIL

  [Compositing: property <word-spacing> underlying [50px\] from add [100px\] to replace [200px\] at (1.5) should be [225px\]]
    expected: FAIL