I filed https://bugzilla.gnome.org/show_bug.cgi?id=612611 to track this. After I'm caught up on bugs for work I can take a look at this if nobody upstream has fixed it yet.
** Bug watch added: GNOME Bug Tracker #612611 https://bugzilla.gnome.org/show_bug.cgi?id=612611 -- Vertical menu scrolling[with keys] not working , when themes enable gtk-auto-mnemonics https://bugs.launchpad.net/bugs/537374 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gtk+2.0 in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs