code: public String escape(String name, String html) {
  
          if (html == null) {
              return null;
          }
          if (m_exceptions.contains(name)) {
              return html;
          }
          LOG.info("Escaping parameter '" + name + "' with value '" + html + "'");
          if (m_cleanHtml.contains(name)) {
              return filterAntiSamy(html);
          }
          return CmsEncoder.escapeXml(html);
      }
docs: Escapes a single parameter value.<p>
  
  @param name the name of the parameter
  @param html the value of the parameter
  
  @return the escaped parameter value