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Describes implementation-defined aspects of the Arm® C compiler and C library relating to identifiers, as required by the ISO C standard.
Multibyte characters, whose UTF-8 decoded value falls within one of the ranges in Appendix D of ISO/IEC 9899:2011 are allowed in identifiers and correspond to the universal character name with the short identifier (as specified by ISO/IEC 10646) having the same numeric value.
The dollar character
$ is allowed in