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‘R CMD check’ ‘NOTE’s on the use of the non-API entry points ‘PRCODE’, ‘SET_PRCODE’, ‘PRENV’, ‘SET_PRENV’, ‘PRVALUE’, ‘SET_PRVALUE’, ‘R_PromiseExpr’, and ‘Rf_allocSExp’ have been upgraded to ‘WARNING’s in preparation for removing declarations and, where possible, hiding these entry points.