Multigraph

<?xml version="1.0"?>
<mugl>
  <horizontalaxis id="time" type="datetime" min="2010-12-01 12:00:00" max="2010-12-01 12:00:30">
    <labels>
      <label format="H:i:s"   start="0" spacing="1D 12H 6H 4H 2H 1H 5m 1m 30s 15s 5s 1s" />
      <label format="H:i:s.v" start="0" spacing="1v" />
      <label format="H:i:s.V" start="0" spacing="1V" />
      <label format="H:i:s.q" start="0" spacing="1q" />
    </labels>
    <grid/>
    <pan min="2010-12-01 11:59:00" max="2010-12-01 12:01"/>
  </horizontalaxis>
  <verticalaxis   id="y" min="0" max="10"/>
  <plot>
    <horizontalaxis ref="time">
      <variable ref="x"/>
    </horizontalaxis>
    <verticalaxis ref="y">
      <variable ref="y"/>
    </verticalaxis>
    <renderer type="line">
      <option name="linecolor" value="blue"/>
      <option name="dotcolor"  value="black"/>
      <option name="dotsize"   value="2"/>
    </renderer>
  </plot>
  <data>
    <variables>
      <variable type="datetime" column="0" id="x"/>
      <variable column="1" id="y"/>
    </variables>
    <values>
2010-12-01 12:00:00.1,2
2010-12-01 12:00:05.2,8
2010-12-01 12:00:10.3,2
2010-12-01 12:00:15.4,8
2010-12-01 12:00:20.5,2
2010-12-01 12:00:25.6,8
    </values>
  </data>
</mugl>