title: Space in number format for xsl
body: <p>I have a number such as: 457342137 but i want to display it as a 457 342 137.</p>
  
  <p>I have something like this:</p>
  
  <pre><code>&lt;xsl:template match="klient/@numer_telefonu"&gt;
          &lt;xsl:variable name="numer" select="." /&gt;
          &lt;xsl:value-of select="format-number($numer, '###&amp;nbsp;###&amp;nbsp;###')" /&gt;
      &lt;/xsl:template&gt;
  </code></pre>
  
  <p>but it does not work.</p>