Ok I checked and I know what you are complaining about. Its invalid xhtml transitional. This isnt a problem have a look at http://validator.w3.org/check?uri=http%3A%2F%2Fwww.youtube.com The w3 validator looks at web markup very strictly so this isnt a bug that needs fixing.
** Changed in: ubuntu-docs (Ubuntu) Status: New => Invalid -- help.ubuntu.com claims to be XHTML 1.0 Transitional but is not https://bugs.launchpad.net/bugs/478097 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs