This is an archived snapshot of W3C's public bugzilla bug tracker, decommissioned in April 2019. Please see the home page for more details.
Both the links on the top-right (pointing to https://www.w3.org/Bugs/Public/docs/en/html/bugreports.html) and the "Bugzilla User's Guide" link on the bugzilla homepage (linking to https://www.w3.org/Bugs/Public/docs/en/html/using.html) return an HTTP 404 error. I also tried the non-HTTPS version, same results. Was it relocated? On a side note: the only component available for Bugzilla bugs is "accessibity", which isn't applicable, but it left me no choice ;).