2.9 Reserved Words
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The following are the reserved words. Within a program, some or all of the letters of a reserved word may be in upper case.
identifierno longer allows reserved words. We have added the few reserved words that are legal explicitly to the syntax for
attribute_reference. Allowing identifier to include reserved words has been a source of confusion for some users, and differs from the way they are treated in the C and Pascal language definitions.
designatorof an attribute (see 4.1.4). Lower case boldface is also used for a reserved word in a
string_literalused as an
operator_symbol. This is merely a convention — programs can be written in whatever typeface is desired and available.
Incompatibilities With Ada 83
Wording Changes from Ada 83
Incompatibilities With Ada 95
Wording Changes from Ada 95
Incompatibilities With Ada 2005
other_formatcharacters from reserved words in order to be compatible with the latest Unicode recommendations. This change can only affect programs written for original Ada 2005, and there is little reason to put
other_formatcharacters into reserved words in the first place, so there should be very few such programs.