new feature: clone-node von document

bugfix: entities und notations auch in create-document-type readonly

README.html

@@ -110,6 +110,9 @@
     <p class="nomargin"><tt>rel-2006-xx-yy</tt></p>
     <ul class="nomargin">
       <li>Serialization fixes (thanks to Nathan Bird, Donavon Keithley).</li>
+      <li>characters.lisp cleanup (thanks to Nathan Bird).</li>
+      <li>Minor changes: clone-node on document as an extension.  DOM
+      class hierarchy reworked.</li>
     </ul>
     <p class="nomargin"><tt>rel-2006-01-05</tt></p>
     <ul class="nomargin">