Under hardy, either via the gnome option 'Preferences | Appearances | Interface | Editable menu shortcut keys' + highlighting the 'new tab' option and hitting Alt+T, or 'Edit | Keyboard shortcuts'. It will then break after upgrading to intrepid.
Under intrepid, only the 'Keyboard shortcuts' dialog will work.
Note also, there's an (unrelated?) bug that interferes if you have multiple terminal profiles. If you do, testing under a fresh account with any additional terminal profiles is probably the best thing to do.
Under hardy, either via the gnome option 'Preferences | Appearances | Interface | Editable menu shortcut keys' + highlighting the 'new tab' option and hitting Alt+T, or 'Edit | Keyboard shortcuts'. It will then break after upgrading to intrepid.
Under intrepid, only the 'Keyboard shortcuts' dialog will work.
Note also, there's an (unrelated?) bug that interferes if you have multiple terminal profiles. If you do, testing under a fresh account with any additional terminal profiles is probably the best thing to do.