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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