The default is C<['username']>.
+=item C<logout_param_names>
+
+Arrayref of name(s) of form parameters indicating that the request is
+a logout request.
+
+Used by the default C<is_logout> hook.
+
+If you want users to be able to explicitly log out, you need to
+provide a logout button, something like
+C<< <input type="submit" name="caf_logout" ...>>
+
+The default is C<['caf_logout']>
+
=back
=head2 SETTINGS FOR SOURCE CODE DOWNLOAD FACILITY
=back
+=head2 SETTINGS FOR HTML GENERATION
+
+=over
+
+=item C<form_entry_size>
+
+xxx
+
+=back
+
=head1 DATABASE TABLES