See also: L<perlsub/Constant Functions>
+=item String- and number-specific bitwise operators
+
+Introduced in: Perl 5.22.0
+
+See also: L<perlop/Bitwise String Operators>
+
+Using this feature triggers warnings in the category
+C<experimental::bitwise>.
+
+The ticket for this feature is
+L<[perl #123466]|https://rt.perl.org/rt3/Ticket/Display.html?id=123466>.
+
+XXX #123466 is the ticket proposing the feature, not the "[EXPERIMENT]"
+ticket to track the implemented feature. The latter does not exist yet.
+
=item The <:win32> IO pseudolayer
The ticket for this feature is