tent="One space with 'white-space' set to 'pre-line' adjoining a space with 'white-space' set to 'normal' collapse into one space." />
        <style type="text/css">* { margin: 0; padding: 0 }
            #div1
            {
                font: 16px/1em Ahem;
            }
            #span1
            {
                white-space: pre-line;
            }
            #span2
            {
                white-space: normal;
            }
            #div2, #div3
            {
          