title: split function in xslt 1.0
body: <p>how to split a node value in XSLT 1.0?</p>
  
  <pre><code>&lt;mark&gt;1,2&lt;/mark&gt;
  </code></pre>
  
  <p>i need to perform some operations in the for loop with each value of the output of split.</p>
  
  <p><code>&lt;xsl:for-each select=""&gt;
  &lt;/xsl:for-each&gt;</code></p>
  
  <p>How to do this?</p>