s once declared cannot be updated. SAXON however provides a <a href="extensions.html#saxon:assign">
saxon:assign</a> extension element to circumvent this restriction. SAXON also provides an extension function
to convert a result tree fragment to a node-set, allowing further processing of its contents to take place.</p>

<p>The value of a variable can be referenced within an expression using the syntax <b>$name</b>.</p>

<p>Example:</p>
</font><div align="left">

<table border="1" width="100%" class