app/recursive-preview.html

<!doctype html><meta charset="utf-8"><meta http-equiv="Content-Security-Policy" content="default-src 'none'; script-src 'nonce-local-ord-preview'; worker-src blob:; style-src 'unsafe-inline'; connect-src 'none'; img-src data:; form-action 'none'; base-uri 'none'"><div id="markup"></div><pre id="recursive-output"></pre><script nonce="local-ord-preview" src="/recursive-preview.js"></script>