{{= it.include("_header", { local_title: it.document.title, site_root: it.document.site_root, asset_root: it.document.asset_root, component_root: it.document.component_root }) }}
{{= it.document }}
{{? it.document.demo }}

Demo

{{= it.document.demo }} {{?}} {{= it.include(it.document.bottom) }}
{{= it.include("_footer", { site_root: it.document.site_root, asset_root: it.document.asset_root, component_root: it.document.component_root }) }}