title: How increase the size of the legend in Gnulot
body: <p>Can someone please direct me as how to increase the size of a legend in Gnuplot.</p>
  
  <p>I wish to place the legend outside with:
  <code>set key outside top</code></p>
  
  <p>But now I want the legend to appear larger in size. How can this be done?</p>