interaction with the L<Devel::CallParser> CPAN module. If the module was
loaded, then lexical variables declared in separate statements following a C<my(...)> list might fail to be cleared on scope exit.
+=item *
+
+C<&xsub> and C<goto &xsub> calls now allow the called subroutine to
+autovivify elements of @_.
+
=back
=head1 Known Problems