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2.3 Identifiers and keywords
2.3 Identifiers and keywords
Identifiers (also referred to as names) are described by the following
lexical definitions:
identifier: (letter|"_") (letter|digit|"_")*
letter: lowercase | uppercase
lowercase: "a"..."z"
uppercase: "A"..."Z"
digit: "0"..."9"
Identifiers are unlimited in length. Case is significant.
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