"International" Typewriter layout
                        =================================

   +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
   |  *  |  "  |  /  |  @  |  £  |  _  |  &  |  '  |  (  |  )  |  ?  |  +  |     |
   |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |  0  |  -  |  =  |     |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|BACK |  Q  |  W  |  E  |  R  |  T  |  Y  |  U  |  I  |  O  |  P  | 1/4 | 1/8 |MARGN|
|SPACE|  q  |  w  |  e  |  r  |  t  |  y  |  u  |  i  |  o  |  p  | 3/4 | 3/8 |RELSE|
+-----++----++----++----++----++----++----++----++----++----++----++----++----+-+---+
|SHIFT |  A  |  S  |  D  |  F  |  G  |  H  |  J  |  K  |  L  |  :  | 1/3 | SHIFT|
|LOCK  |  a  |  s  |  d  |  f  |  g  |  h  |  j  |  k  |  l  |  ;  | 2/3 |  LOCK|
+------+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+------+
|         |  Z  |  X  |  C  |  V  |  B  |  N  |  M  |  ,  |  .  |  %  |         |
|  SHIFT  |  z  |  x  |  c  |  v  |  b  |  n  |  m  |  ,  |  .  | 1/2 |  SHIFT  |
+---------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+---------+
          |                                                           |
          |                                                           |
          +-----------------------------------------------------------+


        +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
        | ) | * | " | / | @ | £ | _ | & | ' | ( |   | : | , | + | . | ? |
        +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
        | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |   | ; |   | = |   | - |
        +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
        |   | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O |
        +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
        | P | Q | R | S | T | U | V | W | X | Y | Z |1/4|1/8|1/3| % |   |
        +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
        |   | a | b | c | d | e | f | g | h | i | j | k | l | m | n | o |
        +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
        | p | q | r | s | t | u | v | w | x | y | z |3/4|3/8|2/3|1/2|   |
        +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+