In step (4) of the ``tts:lineHeight`` used value algorithm [§10.2.27](https://w3c.github.io/ttml2/index.html#style-attribute-lineHeight), there is an extraneous comma in > and ``tts:fontVariant``, style properties
In step (4) of the
tts:lineHeightused value algorithm §10.2.27, there is an extraneous comma in