title: How to show Delta (Δ) symbol in generated pdf file without using font-extensions?
body: <p>I need to show delta symbol in this text field expression: </p>
  
  <pre><code>&lt;textFieldExpression&gt;&lt;![CDATA[$F{ATTR_VAL_CONFRONTO_ESERCIZIO}]&lt;/textFieldExpression&gt; 
  </code></pre>
  
  <p>In order to show the greek symbol inside the PFD as well. How can I do that? </p>
  
  <p>I cannot use <em>font extensions</em> feature. I need to do that by changing something in the code.</p>
  
  <p>I tried to insert this code <code>&amp;#916;</code> and other one, but without any result.</p>