bute-set contains a collection of xsl:attribute elements.</p>

<p>The attributes in an attribute-set can be used in several ways:<ul>
<li>They can be added to a literal result element by specifying xsl:use-attribute-sets in the list of attributes
for the element. The value is a space-separated list of attribute-set names. Attributes specified explicitly on
the literal result element, or added using xsl:attribute, override any that are specified in the attribute-set
definition.</li>
<li>They can be ad