comp.xml

<!-- old one -->

<FretDiagram>
  <frets>4</frets>
  <fretOffset>2</fretOffset>
  <string no="0">
    <marker>88</marker>
    </string>
  <string no="1">
    <dot>1</dot>
    </string>
  <string no="2">
    <dot>3</dot>
    </string>
  <string no="3">
    <dot>3</dot>
    </string>
  <string no="4">
    <dot>2</dot>
    </string>
  <barre>1</barre>
</FretDiagram>

<!-- new one -->

<FretDiagram version="2">
  <frets>4</frets>
  <fretOffset>2</fretOffset>
  <string no="0">
    <marker>cross</marker>
    </string>
  <string no="1">
    <dot fret="1">normal</dot>
    </string>
  <string no="2">
    <dot fret="3">normal</dot>
    </string>
  <string no="3">
    <dot fret="4">normal</dot>
    </string>
  <string no="4">
    <dot fret="2">normal</dot>
    </string>
  <barre start="1" end="-1">1</barre>
  <barre start="3" end="-1">4</barre>
</FretDiagram>