The identifiers listed below are called reserved words and are reserved for special significance in the language. For readability of this manual, the reserved words appear in lower case boldface.
abort declare generic of select abs delay goto or separate accept delta others subtype access digits if out all do in task and is package terminate array pragma then at else private type elsif limited procedure end loop begin entry raise use body exception range exit mod record when rem while new renames with case for not return constant function null reverse xor
A reserved word must not be used as a declared identifier.
Reserved words differing only in the use of corresponding upper and lower case letters are considered as the same (see 2.3). In some attributes the identifier that appears after the apostrophe is identical to some reserved word.
References: attribute, declaration, identifier, lower case letter, upper case letter.
Rationale references: 2.1 Lexical Structure
Style Guide references: 3.1.3 Capitalization
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