12.1 Character set





Definitions

graphic_character ::=
     basic_graphic_character | lower_case_letter | other_special_character

basic_character ::=
     basic_graphic_character | format_effector

basic_graphic_character ::=
    upper_case_letter | digit | special_character | space_character













Specification

(a) upper_case_letter
    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

(b) digit
    0 1 2 3 4 5 6 7 8 9

(c) special_character
    " # & ' () * + , - . / : ; < = > _ |

(d) space_character

(e) lower_case_letter
    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

(f) other_special_character
    ! $ % @ ? [ \ ] ^ ` {} ~

(g) Format effectors ( format_effectors ) are

Tab (horizontal and vertical),

Carriage return,

Line feed and

Form feed.