## ALP Programming Guide and Reference

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### Identifiers

This section describes the syntax for identifiers and the various types of information they can be made to represent.

Identifier:
Normal-Identifier
Dot-Identifier
Normal-Identifier
NonDigit
Normal-Identifier Identifer-Character
Dot-Identifier
. Normal-Identifier
Identifier-Character
NonDigit
Digit
NonDigit: one of

     _ $ @ ?

     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

Digit: one of

     0 1 2 3 4 5 6 7 8 9