title: label above points with rChart Failed with Chinese ,
body: <p>My problem is just like <a href="https://stackoverflow.com/questions/24304167/label-above-points-with-rchart">label above points with rChart</a></p>
  
  <p>*but my label contains Chinese code, my code is like this: </p>
  
  <pre><code>library(rCharts)
  age &lt;- c(1:20)
  tall &lt;- seq(0.5, 1.90, length = 20)
  name &lt;- rep(c("运营成本由一降为2","游戏进行推广","开始安全运行","无事件","this is"),4)
  Encoding(name)&lt;-'UTF-8'
  df &lt;- data.frame(age = age, tall = tall,name=name)
  n1 &lt;- nPlot(age ~ tall ,data = df, type = "scatterChart")
  n1$xAxis(axisLabel = "the age")
  n1$yAxis(axisLabel = "the tall", width = 50)
  n1$chart(tooltipContent = "#! function(key, x, y, e ){ 
    var d = e.series.values[e.pointIndex];
    return 'x: ' + x + '  y: ' + y + ' name: ' + d.name
  } !#")
  n1
  </code></pre>