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 | 
	  
 
    u                       | Undo the latest change.
    U                       | Undo all changes on a line, while not having
                            |   moved off it (unfortunately).
    :q!                     | Quit vi without writing.
    :e!                     | Re-edit a messed-up file.
 
 © 1993-2000 Christopher C. Taylor  | 
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