       node.className = 'operator'
       # see note on 196
       node.contentEditable = false unless navigator.userAgent.toLowerCase().indexOf('firefox') > -1
-      node.innerHTML = name
+      node.innerHTML = '&nbsp;'+name+'&nbsp;'
     else
       # Create and insert new token.
       node.className = 'token'

    equation.children('.token').each ->
      $(this).replaceWith('#' + $(this).data('id') + '#')

    # if @options.operators
    #   equation.children('.operator').each ->
    #     $(this).replaceWith('@' + $(this).text() + '@')

            @addItem(result)
          else if @resultList.find("li").length == 1
            @addItem(@resultList.find("li").first())

        when 40 # Down arrow
          if @resultList.find("li").length > 0
