title: pl sql allround not show vietnamese utf8 unicode
body: <p>I use pl sql allround 11 and more info: <a href="https://www.allroundautomations.com/plsqldev.html" rel="nofollow noreferrer">https://www.allroundautomations.com/plsqldev.html</a></p>
  
  <p>I try execute command: </p>
  
  <pre><code>select 'Mật khẩu cũ không đúng' from dual;
  </code></pre>
  
  <p>The editor pl sql allround 11 grid was shown:</p>
  
  <pre><code>M���t kh���u c�� kh��ng ����ng
  </code></pre>
  
  <p>Correct Toad editor was shown:</p>
  
  <pre><code>Mật khẩu cũ không đúng 
  </code></pre>
  
  <p>and I compile procedure and function return nvarchar2, same result!!!</p>
  
  <p>please help me configure editor!</p>
  
  <p>Thanks for any suggestion</p>