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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"
Download entire grammar as text.

Identifiers are unlimited in length. Case is significant.


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Release 2.4.1, documentation updated on 30 March 2005.
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