If a callback=? parameter is passed, this returns javascript in the form of: $callback($serializedJSON);
+Note - this is disabled by default as it can be a security risk if you are unaware.
+
+The usual MIME types for this serialization format are: 'text/javascript', 'application/x-javascript',
+'application/javascript'.
+
=item * C<text/x-data-dumper> => C<Data::Serializer>
Uses the L<Data::Serializer> module to generate L<Data::Dumper> output.