title: Cannot show special character in acro form field
body: <p>I tried to use the following code to set form field value with iText but it could not show the character <strong>ӧ</strong>. The test-form-fill.pdf is created by Adobe LifeCycle Form Designer. Please help!</p>
  
  <pre><code>InputStream is = new FileInputStream("doc/test-form-fill.pdf");
  OutputStream os = new FileOutputStream("doc/test-form-fill-done.pdf");
  
  PdfReader reader = new PdfReader(is);
  
  PdfStamper stamper = new PdfStamper(reader, os);
  
  
  AcroFields form = stamper.getAcroFields();
  
  form.setField("field1", "ӧ11111");
  
  stamper.setFormFlattening(true);
  stamper.close();
  reader.close();
  
  
  is.close();
  
  os.close();
  </code></pre>