Principally to note that no-one should notice the difference, but give a clue
as to what might be wrong if they do.
=item *
-XXX
+F<pod/buildtoc>, used by the build process to build L<perltoc>, has been
+refactored and simplified. It now only contains code to build L<perltoc>;
+the code to regenerate Makefiles has been moved to F<Porting/pod_rules.pl>.
+It's a bug if this change has any material affect on the build process.
=back