HTTP/2 200 date: Sun, 05 Oct 2025 23:15:05 GMT content-type: text/plain content-length: 17880 cf-ray: 98a09e74c8abc537-BLR last-modified: Tue, 18 Oct 2022 17:31:02 GMT etag: "13f8a-5eb5274bde180-gzip" cache-control: max-age=7776000 expires: Sat, 03 Jan 2026 22:00:34 GMT vary: Accept-Encoding content-encoding: gzip x-backend: www-mirrors x-request-id: 98a03151ef008ebe strict-transport-security: max-age=15552000; includeSubdomains; preload content-security-policy: frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests cf-cache-status: HIT accept-ranges: bytes set-cookie: __cf_bm=YyWb4pIlo15jfPynIBSsTvAPYADr4PNAoJO8X7QA8dY-1759706105-1.0.1.1-KmBywhyUf.ddOtkpK2R1RquXfyENRc_Wa7jReFydQOqoxPyDn4xeNlvb9Fp91q4Xm63nncF9rPdv.euf3EIuO0l5kLs0bm66phZmhGO6XfA; path=/; expires=Sun, 05-Oct-25 23:45:05 GMT; domain=.w3.org; HttpOnly; Secure; SameSite=None server: cloudflare alt-svc: h3=":443"; ma=86400 ... ... The URI used as a system identifier with the public identifier allows the user agent to download the DTD and entity sets as needed. The FPI for the HTML 4.01 plus WAI-ARIA DTD is: "-//W3C//DTD HTML+ARIA 1.0//EN" This version of the HTML 4.01 plus WAI-ARIA DTD is: https://www.w3.org/WAI/ARIA/schemata/html4-aria-1.dtd --> ]]> ]]> ]]> ]]> ]]> ]]>