bring down below 102 cols
add a string constant for a menu item that just says "tab <i>"

(ie without a filename attached to it)
adjust tab menu items in drracket

specifically:
- make <menukey>-9 always go to the last tab
  (following chrome, as suggested by Jens Axel)
- make the <menukey>-1 thru <menukey>-9 menu items
  always be present in the menu, even when there aren't
  tabs, so that the shortcuts always appear taken
  (and so that cmd-4 never inserts a 4 into your buffer)
add c:s:pageup/down keybindings to move tabs around in a frame