over-under data type

The over-under type is used to indicate whether the tips of curved lines such as slurs and ties are overhand (tips down) or underhand (tips up).

Base type: token

Allowed values

over Tips of curved lines are overhand (tips down).
under Tips of curved lines are underhand (tips up).

Where is this type used?

<slur> — "orientation" attribute

<tied> — "orientation" attribute