Editing Appointments and Notes
Tab - switches back and forth between
      appointments and notes.
Delete - deletes a letter.

Backspace - deletes previous letter.

Ctrl-Y - deletes entire line (Yank).
Ctrl-P - Put yanked line at new spot.
Ctrl-T - deletes next word.
Ctrl-N - iNserts new note line.

Ins  - toggles Insert/Overwrite mode.
     - block cursor for insert.
     - line cursor for overwrite.

Home - puts cursor at start of line.

End - positions cursor at line end.
