=back
-=head1 SEE ALSO
-
-=over 4
-
-=item Acknowledgment
+=head1 ACKNOWLEDGMENT
The BankAccount example in this recipe is directly taken from the
examples in this chapter of "Practical Common Lisp":
L<http://www.gigamonkeys.com/book/object-reorientation-generic-functions.html>
-=back
-
=begin testing
my $savings_account;