<trill-mark>

<note default-x="13"> <pitch> <step>C</step> <octave>5</octave> </pitch> <duration>8</duration> <voice>1</voice> <type>whole</type> <notations> <ornaments> <trill-mark default-y="10"/> <wavy-line number="1" type="start" default-y="10"/> <wavy-line number="1" type="stop" relative-x="81"/> </ornaments> </notations> </note>