[usrlit.suffix] (original) (raw)

16 Library introduction [library]

16.5 Library-wide requirements [requirements]

16.5.4 Constraints on programs [constraints]

16.5.4.3 Reserved names [reserved.names]

16.5.4.3.5 User-defined literal suffixes [usrlit.suffix]

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Literal suffix identifiers that do not start with an underscore are reserved for future standardization.