nt are not considered part of the section titles.

          <li>Delete any section Entitled "Endorsements".  Such a section
may not be included in the Modified Version.

          <li>Do not retitle any existing section to be Entitled "Endorsements" or
to conflict in title with any Invariant Section.

          <li>Preserve any Warranty Disclaimers.
          </ol>

     <p>If the Modified Version includes new front-matter sections or
appendices that qualify as Secondary Sections and contain no material
co