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‘kappa(A, exact=TRUE)’ returns ‘Inf’ more generally, fixing PR#18817 reported by Mikael Jagan.
The functions ‘R_strtod’ and ‘R_atof’ now allow hexadecimal constants without an exponent, for compatibility with their C99 versions, (PR#18805)
Since almost all supported R versions now use UTF-8, ‘R CMD check’ no longer by default reports on marked UTF-8 or Latin-1 strings in character data. Set environment variable ‘_R_CHECK_PACKAGE_DATASETS_SUPPRESS_NOTES_’ to a false value for the previous behaviour.