code: public void setAttributeSet(ElemAttributeSet attrSet)
    {
  
      if (null == m_attributeSets)
      {
        m_attributeSets = new Vector();
      }
  
      m_attributeSets.addElement(attrSet);
    }
docs: Set the "xsl:attribute-set" property.
  @see <a href="http://www.w3.org/TR/xslt#attribute-sets">attribute-sets in XSLT Specification</a>
  
  @param attrSet ElemAttributeSet to add to the list of attribute sets