layout.html

<!--PREAMBLE
layoutSecret: "Preamble variable from layout.html"
duplicateVariableSandwich: "Duplicate variable from layout.html"
-->
<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <title>${title}</title>
    <link rel="stylesheet" type="text/css" href="/assets/style.css"/>
  </head>
<body>
  ${if(innerVariable)}
  <h1>Layout knows about the variable innerVariable: ${innerVariable}</h1>
  ${end}
  ${body}
</body>
</html>