=for layout widget [% header %] [% body %] [% footer %]
=for layout header [% content %] =for layout header_row [% content %] =for layout header_cell [% content %] =for layout footer [% content %] =for layout footer_row [% content %] =for layout footer_cell [% content %] =for layout body [% content %] =for layout body_row [% content %] =for layout body_cell [% content %] =cut