   &lt;/validator-class&gt;
    &lt;init-param&gt;
      &lt;description&gt;
        Whitespace-separated list of taglib URIs to permit.
      &lt;/description&gt;
      &lt;param-name&gt;permittedTaglibs&lt;/param-name&gt;
      &lt;param-value&gt;
        http://java.sun.com/jsp/jstl/core
        http://java.sun.com/jsp/jstl/fmt
        http://java.sun.com/jsp/jstl/sql
        http://java.sun.com/jsp/jstl/xml
      &lt;/param-value&gt;
    &lt;/init-param&gt;
  &lt;/validator&gt;
&lt;/taglib&gt;
</pre></d