title: Highcharts Column Chart - zero values in IE
body: <p>I am using highcharts and I have noticed that in IE 8 it seems to draw a small bar for zero values which it doesnt do in Firefox. I am also using the grouped categories plugin from the black label github page.</p>
  
  <p>How do I get highcharts to be consistent and just not draw any bar in IE for zero values?</p>