Document
++Group IsControlElement=false
++++Custom MathML='<math><newline>  <mmultiscripts class="test"><newline>    <mn>1</mn><newline>    <mn>2</mn><newline>    <mn>3</mn><newline>    <none></none><newline>    <mn>5</mn><newline>    <mprescripts></mprescripts><newline>    <mn>6</mn><newline>    <none></none><newline>    <mn>8</mn><newline>    <mn>9</mn><newline>  </mmultiscripts><newline></math>'
++++++Custom IsControlElement=false
++++++++Custom IsControlElement=false
++++++++++Text Name='1'
++++++++Custom IsControlElement=false
++++++++++Text Name='2'
++++++++Custom IsControlElement=false
++++++++++Text Name='3'
++++++++Custom IsControlElement=false
++++++++Custom IsControlElement=false
++++++++++Text Name='5'
++++++++Custom IsControlElement=false
++++++++Custom IsControlElement=false
++++++++++Text Name='6'
++++++++Custom IsControlElement=false
++++++++Custom IsControlElement=false
++++++++++Text Name='8'
++++++++Custom IsControlElement=false
++++++++++Text Name='9'