hing template with precedence X, all templates with precedence less than
X are ignored, regardless of their priority.</p>


<hr>


<h3><a name="xsl:key">xsl:key</a></h3>


<p>The <b>xsl:key</b> element is used at the top level of the stylesheet to declare an attribute, or other value,
that may be used as a key to identify nodes using the key() function within an expression. Each xsl:key
definition declares a named key, which must match the name of the key used in the key() function.</p>

<p>Th