
   F6 = save file being edited
  ESC = quit file being edited without saving
   F4 = change right margin

-- Graphics character creation is toggled on and off by pressing Ctrl-G. When
   the graphics mode is ON, a list of  the graphic  characters available will
   be displayed when you press F1.

-- If the bell sounds when you press a key, you're being told that the current
   line already has the maximum of 80 characters and that you need to leave the
   insert mode (by pressing "Ins" key) in order to enter any more characters.

-- Copying and moving lines & files are invoked by pressing Ctrl-K:
     - Ctrl-K-B = block begin line
     - Ctrl-K-K = end line
     - Ctrl-K-R = read an external file into the current one

-- To open a new line: turn insert ON ("Ins" key) and hit "Enter" key.  To
   enter a control character: press Ctrl-P first, then the control character.
