标识符摘要Summary of Identifiers

identifier:identifier:
nondigitidentifier nondigitidentifier digitnondigitidentifier nondigitidentifier digit

nondigit:以下项之一nondigit: one of
a b c d e f g h i j k l mn o p q r s t u v w x y zA B C D E F G H I J K L MN O P Q R S T U V W X Y Z** a b c d e f g h i j k l mn o p q r s t u v w x y zA B C D E F G H I J K L MN O P Q R S T U V W X Y Z**

digit:以下项之一digit: one of
0 1 2 3 4 5 6 7 8 90 1 2 3 4 5 6 7 8 9

另请参阅See Also

词法语法Lexical Grammar