title: android resources string-array "invalid character"
body: <p>In <code>resource array-string</code> I've put:</p>
  
  <pre><code>&lt;string-array name="Gefühle_de"&gt;
  &lt;item&gt;xxx&lt;/item&gt;
  &lt;/string-array&gt;
  </code></pre>
  
  <p>But I received the error as <strong>Invalid character</strong> on <code>Gefühle</code> (this is a <strong>deutsch</strong> language).
  How to resolve the problem?</p>