I followed up on the upstream bug with your comment, the upstream developer seems determined to not implement it. I'm going to close this bug too, as we're unlikely to divert and implement this on our own - if you disagree strongly, you can reopen again, upstream preferrably.
** Changed in: gnome-screensaver (Ubuntu) Status: Confirmed => Rejected -- ctrl-u should delete the contents of the password field https://launchpad.net/bugs/29658 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs