Add entry in "Changes since Recommendation" section

Author: niklasl

index.html

@@ -7109,6 +7109,12 @@ <h2>Changes since Recommendation of 16 July 2020</h2>
       <a href="#compaction-algorithm">Compaction Algorithm</a>
       step <a href="#alg-compact-12_8_9_6_1">12.8.9.6.1</a> to first expand
       <var>container key</var> before compacting it.</li>
+    <li>
+      Changed the <a href="#create-term-definition">Create Term Definition</a>
+      in section 4.2 of the Context Processing Algorithms, to ensure that all
+      possible features for reverse term definitions are processed. The change
+      was to remove <q>and return</q> from the end of step 13, and revise step
+      14 to begin with <q>Otherwise</q>.</li>
   </ul>
 </section>
 <section id="ack"