The
basic source character set consists of 96 characters: the space character,
the control characters representing horizontal tab, vertical tab, form feed, and
new-line, plus the following 91 graphical characters:
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
0 1 2 3 4 5 6 7 8 9
_ { } [ ] # ( ) < > % : ; . ? * + - / ^ & | ~ ! = , \ " '
For each basic execution character set, the values of the
members shall be non-negative and distinct from one another
. In both the
source and execution basic character sets, the value of each character
after
0 in the above list of decimal digits shall be one greater
than the value of the previous
. The values of the members of the execution character sets
and the sets of additional members
are locale-specific
.