kotti/templates/edit/node.pt
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
metal:use-macro="api.macro('kotti:templates/edit/master.pt')">
<div metal:fill-slot="content">
<h1 tal:content="first_heading | default">${api.page_title}</h1>
<form tal:replace="structure form"></form>
</div>
</html>