[Jellby]

Originally Posted by Ripplinger

<p class="calibre7"><span class="calibre11"><span class="bold1">X</span></span></p>

  <div class="calibre6">
    &nbsp;
  </div>

  <p class="calibre10"><span class="calibre8"><span class="bold1"><span class="calibre11">F</span></span>irst paragraph after new section to keep connected to the above number.</span></p>

Have you tried adding "page-break-after:avoid" to the calibre6 class too? And removing the <div> and cleaning up the code?