title: XSLT 2.0: declare string array
body: <p>is it possible declare a string array in XSLT 2.0?</p>
  
  <p>I would like declare something as below:</p>
  
  <pre><code>&lt;xsl:variable name="countries" select="('IT','EN','SP')" /&gt;
  </code></pre>
  
  <p>but doesn't work.</p>
  
  <p>Thanks.</p>