The node a page or section is being created for.
Whether the content is for a page.
This template is a stub, called by html.content.pre.custom. It is called before html.content.pre.mode is applied. Override this template to provide site-specific HTML before the content of a page or section. If the $page parameter is true, then this template is being called on an output page. Otherwise, it is being called on a section within a page.