<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>