Are you still planning to make the "secondary" window writeable? The current "open in new window" feature is already a substantial improvement, but it is still a bit limited (sorry, I am just so used to applications that offer multiple fully functional windows of the same document).
Are you still planning to make the "secondary" window writeable? The current "open in new window" feature is already a substantial improvement, but it is still a bit limited (sorry, I am just so used to applications that offer multiple fully functional windows of the same document).