code: public String getReportUpdate() {
  
          for (I_CmsReport report : m_delegates) {
              if (report.getClass().getName().toLowerCase().contains("html")) {
                  return report.getReportUpdate();
              }
          }
          return "";
      }
docs: This searches for the first instance of a link in the internal delegate list and
  returns the value of it's invocation.
  <p>
  
  If no such report is found an empty String will be returned.
  <p>
  
  @see org.opencms.report.I_CmsReport#getReportUpdate()