title: Gnuplot: change font size for plot with labels
body: <p>I would like to be able to control the font size for the labels produced by</p>
  
  <pre><code>plot file u 1:2:(sprintf("%4.3f", $1)) with labels offset char 0,2 t ""
  </code></pre>
  
  <p>but have not found a way yet. Let me add that I use the epslatex terminal.</p>