de>xsl:stylesheet</code> element
specifies a value other than <code>version="1.0"</code>.</p>

<p><i>Note: XSLT 2.0 subsequently deleted this element, and with it, all attempts to standardize
bindings to extension functions.</i></p>

<p>The <b>language</b> attribute is mandatory, and must take the value "java". 
The values "javascript", "ecmascript", or a QName are also permitted, but in this
case Saxon ignores the xsl:script element.</p>

<p>The <b>implements-prefix</b> attribute is mandatory, it