SIGNATURE PrintableChar

-- printable (ascii) characters
-- Incompatibility: _ no longer allowed as function name
--		    function _ replaced by function underscore

IMPORT Char ONLY char

FUN   dblquote                  -- "
      lsngquote rsngquote       -- ` '
      lbrace rbrace             -- ( )
      lsqbrace rsqbrace         -- [ ]
      dot colon comma           -- . : ,
      underscore                -- _

       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   

       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                              : char