title: letter spacing in jsPDF with .text() method
body: <p>How do I specify letter spacing to text in jsPDF .text() method? This is the code I use now.</p>
  
  <pre><code>var doc = new jsPDF('p', 'mm', [183, 203]);
  doc.setFontSize(9);
  doc.setFont("monospace");
  doc.text(39, 38, 'hello world');
  doc.output('dataurl');
  </code></pre>