Same problems for me, and in my case it turns out to be the recent delicious plugin update 2.1.102.
Lots of people with same issue here: https://addons.mozilla.org/en-US/firefox/addon/3615/reviews/ -- Page Up/Down, Spacebar, Tab don't work to navigate within page https://bugs.launchpad.net/bugs/617950 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
