*** This bug is a duplicate of bug 38758 *** Bug 38758 has a workaround that solved this problem for me:
https://launchpad.net/bugs/38758 Lovely! /YoHell -- Thunderbird: Cursor goes to margin when pressing up/down while editing emails https://launchpad.net/bugs/67757 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs