$ curl -I http://www.w3.org/TR/xpath
HTTP/1.1 301 Moved Permanently
Date: Mon, 23 Jun 2025 09:19:29 GMT
Content-Type: text/html
Content-Length: 167
Connection: keep-alive
Cache-Control: max-age=3600
Expires: Mon, 23 Jun 2025 10:19:29 GMT
Location: https://www.w3.org/TR/xpath
Describe the issue
https://bib.ietf.org/public/rfc/bibxml4/reference.W3C.xpath.xml
says:
<reference anchor="W3C.xpath" target="http://www.w3.org/TR/xpath">This undoubtedly should be an HTTPS URI:
Code of Conduct